Home / 10,140.60-15,225.30-6,252.60

Finding the Fourth Proportional to 10,140.60, 15,225.30 and 6,252.60

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Solution

The fourth proportional to 10,140.60, 15,225.30 and 6,252.60 is: 9,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.60 : 15,225.30 = 6,252.60 : x
  2. Step 2: Convert to fraction form
    10,140.60/15,225.30 = 6,252.60/x
  3. Step 3: Cross multiply
    10,140.60x = 15,225.30 × 6,252.60
  4. Step 4: Simplify right side
    10,140.60x = 95,197,710.78
  5. Step 5: Solve for x
    x = 95,197,710.78/10,140.60
  6. Step 6: Final answer
    x = 9,387.78

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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.