Home / 10,632.40-15,948.60-7,150.80

Finding the Fourth Proportional to 10,632.40, 15,948.60 and 7,150.80

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Solution

The fourth proportional to 10,632.40, 15,948.60 and 7,150.80 is: 10,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.40 : 15,948.60 = 7,150.80 : x
  2. Step 2: Convert to fraction form
    10,632.40/15,948.60 = 7,150.80/x
  3. Step 3: Cross multiply
    10,632.40x = 15,948.60 × 7,150.80
  4. Step 4: Simplify right side
    10,632.40x = 114,045,248.88
  5. Step 5: Solve for x
    x = 114,045,248.88/10,632.40
  6. Step 6: Final answer
    x = 10,726.20

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