Home / 10,180.40-15,268.17-5,740.02

Finding the Fourth Proportional to 10,180.40, 15,268.17 and 5,740.02

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Solution

The fourth proportional to 10,180.40, 15,268.17 and 5,740.02 is: 8,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.40 : 15,268.17 = 5,740.02 : x
  2. Step 2: Convert to fraction form
    10,180.40/15,268.17 = 5,740.02/x
  3. Step 3: Cross multiply
    10,180.40x = 15,268.17 × 5,740.02
  4. Step 4: Simplify right side
    10,180.40x = 87,639,601.16
  5. Step 5: Solve for x
    x = 87,639,601.16/10,180.40
  6. Step 6: Final answer
    x = 8,608.66

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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.