Home / 10,538.45-14,542.43-5,757.44

Finding the Fourth Proportional to 10,538.45, 14,542.43 and 5,757.44

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Solution

The fourth proportional to 10,538.45, 14,542.43 and 5,757.44 is: 7,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.45 : 14,542.43 = 5,757.44 : x
  2. Step 2: Convert to fraction form
    10,538.45/14,542.43 = 5,757.44/x
  3. Step 3: Cross multiply
    10,538.45x = 14,542.43 × 5,757.44
  4. Step 4: Simplify right side
    10,538.45x = 83,727,157.91
  5. Step 5: Solve for x
    x = 83,727,157.91/10,538.45
  6. Step 6: Final answer
    x = 7,944.92

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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.