Home / 11,194.19-15,444.84-7,217.63

Finding the Fourth Proportional to 11,194.19, 15,444.84 and 7,217.63

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Solution

The fourth proportional to 11,194.19, 15,444.84 and 7,217.63 is: 9,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,194.19 : 15,444.84 = 7,217.63 : x
  2. Step 2: Convert to fraction form
    11,194.19/15,444.84 = 7,217.63/x
  3. Step 3: Cross multiply
    11,194.19x = 15,444.84 × 7,217.63
  4. Step 4: Simplify right side
    11,194.19x = 111,475,148.29
  5. Step 5: Solve for x
    x = 111,475,148.29/11,194.19
  6. Step 6: Final answer
    x = 9,958.31

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Half scale
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Double scale
Find fourth proportional to 11,195.19, 15,446.22 and 7,218.63
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.