Home / 10,652.16-15,966.24-5,097.60

Finding the Fourth Proportional to 10,652.16, 15,966.24 and 5,097.60

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Solution

The fourth proportional to 10,652.16, 15,966.24 and 5,097.60 is: 7,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.16 : 15,966.24 = 5,097.60 : x
  2. Step 2: Convert to fraction form
    10,652.16/15,966.24 = 5,097.60/x
  3. Step 3: Cross multiply
    10,652.16x = 15,966.24 × 5,097.60
  4. Step 4: Simplify right side
    10,652.16x = 81,389,505.02
  5. Step 5: Solve for x
    x = 81,389,505.02/10,652.16
  6. Step 6: Final answer
    x = 7,640.66

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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.