Home / 11,189.38-15,441.45-6,153.63

Finding the Fourth Proportional to 11,189.38, 15,441.45 and 6,153.63

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Solution

The fourth proportional to 11,189.38, 15,441.45 and 6,153.63 is: 8,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.38 : 15,441.45 = 6,153.63 : x
  2. Step 2: Convert to fraction form
    11,189.38/15,441.45 = 6,153.63/x
  3. Step 3: Cross multiply
    11,189.38x = 15,441.45 × 6,153.63
  4. Step 4: Simplify right side
    11,189.38x = 95,020,969.96
  5. Step 5: Solve for x
    x = 95,020,969.96/11,189.38
  6. Step 6: Final answer
    x = 8,492.07

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Find fourth proportional to 5,594.69, 7,720.73 and 3,076.82
Half scale
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Double scale
Find fourth proportional to 11,190.38, 15,442.83 and 6,154.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.