Home / 10,539.38-14,519.60-7,346.87

Finding the Fourth Proportional to 10,539.38, 14,519.60 and 7,346.87

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Solution

The fourth proportional to 10,539.38, 14,519.60 and 7,346.87 is: 10,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.38 : 14,519.60 = 7,346.87 : x
  2. Step 2: Convert to fraction form
    10,539.38/14,519.60 = 7,346.87/x
  3. Step 3: Cross multiply
    10,539.38x = 14,519.60 × 7,346.87
  4. Step 4: Simplify right side
    10,539.38x = 106,673,589.09
  5. Step 5: Solve for x
    x = 106,673,589.09/10,539.38
  6. Step 6: Final answer
    x = 10,121.43

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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.