Home / 10,132.70-13,989.51-6,605.96

Finding the Fourth Proportional to 10,132.70, 13,989.51 and 6,605.96

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Solution

The fourth proportional to 10,132.70, 13,989.51 and 6,605.96 is: 9,120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.70 : 13,989.51 = 6,605.96 : x
  2. Step 2: Convert to fraction form
    10,132.70/13,989.51 = 6,605.96/x
  3. Step 3: Cross multiply
    10,132.70x = 13,989.51 × 6,605.96
  4. Step 4: Simplify right side
    10,132.70x = 92,414,073.53
  5. Step 5: Solve for x
    x = 92,414,073.53/10,132.70
  6. Step 6: Final answer
    x = 9,120.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.