Home / 10,691.08-16,010.70-7,394.92

Finding the Fourth Proportional to 10,691.08, 16,010.70 and 7,394.92

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Solution

The fourth proportional to 10,691.08, 16,010.70 and 7,394.92 is: 11,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.08 : 16,010.70 = 7,394.92 : x
  2. Step 2: Convert to fraction form
    10,691.08/16,010.70 = 7,394.92/x
  3. Step 3: Cross multiply
    10,691.08x = 16,010.70 × 7,394.92
  4. Step 4: Simplify right side
    10,691.08x = 118,397,845.64
  5. Step 5: Solve for x
    x = 118,397,845.64/10,691.08
  6. Step 6: Final answer
    x = 11,074.45

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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.