Home / 10,262.16-15,371.40-5,057.20

Finding the Fourth Proportional to 10,262.16, 15,371.40 and 5,057.20

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Solution

The fourth proportional to 10,262.16, 15,371.40 and 5,057.20 is: 7,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262.16 : 15,371.40 = 5,057.20 : x
  2. Step 2: Convert to fraction form
    10,262.16/15,371.40 = 5,057.20/x
  3. Step 3: Cross multiply
    10,262.16x = 15,371.40 × 5,057.20
  4. Step 4: Simplify right side
    10,262.16x = 77,736,244.08
  5. Step 5: Solve for x
    x = 77,736,244.08/10,262.16
  6. Step 6: Final answer
    x = 7,575.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.