Home / 10,539.05-14,540.18-6,761.88

Finding the Fourth Proportional to 10,539.05, 14,540.18 and 6,761.88

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Solution

The fourth proportional to 10,539.05, 14,540.18 and 6,761.88 is: 9,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.05 : 14,540.18 = 6,761.88 : x
  2. Step 2: Convert to fraction form
    10,539.05/14,540.18 = 6,761.88/x
  3. Step 3: Cross multiply
    10,539.05x = 14,540.18 × 6,761.88
  4. Step 4: Simplify right side
    10,539.05x = 98,318,918.53
  5. Step 5: Solve for x
    x = 98,318,918.53/10,539.05
  6. Step 6: Final answer
    x = 9,329.02

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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.