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Finding the Fourth Proportional to 10,151.88, 15,214.04 and 5,713.08

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Solution

The fourth proportional to 10,151.88, 15,214.04 and 5,713.08 is: 8,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.88 : 15,214.04 = 5,713.08 : x
  2. Step 2: Convert to fraction form
    10,151.88/15,214.04 = 5,713.08/x
  3. Step 3: Cross multiply
    10,151.88x = 15,214.04 × 5,713.08
  4. Step 4: Simplify right side
    10,151.88x = 86,919,027.64
  5. Step 5: Solve for x
    x = 86,919,027.64/10,151.88
  6. Step 6: Final answer
    x = 8,561.87

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1.5x scale

Why These Related Problems?

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