Home / 11,114.44-15,311.22-9,346.12

Finding the Fourth Proportional to 11,114.44, 15,311.22 and 9,346.12

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Solution

The fourth proportional to 11,114.44, 15,311.22 and 9,346.12 is: 12,875.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.44 : 15,311.22 = 9,346.12 : x
  2. Step 2: Convert to fraction form
    11,114.44/15,311.22 = 9,346.12/x
  3. Step 3: Cross multiply
    11,114.44x = 15,311.22 × 9,346.12
  4. Step 4: Simplify right side
    11,114.44x = 143,100,499.47
  5. Step 5: Solve for x
    x = 143,100,499.47/11,114.44
  6. Step 6: Final answer
    x = 12,875.19

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Half scale
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Double scale
Find fourth proportional to 11,115.44, 15,312.60 and 9,347.12
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.