Home / 9,049.86-12,488.70-5,070.97

Finding the Fourth Proportional to 9,049.86, 12,488.70 and 5,070.97

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Solution

The fourth proportional to 9,049.86, 12,488.70 and 5,070.97 is: 6,997.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049.86 : 12,488.70 = 5,070.97 : x
  2. Step 2: Convert to fraction form
    9,049.86/12,488.70 = 5,070.97/x
  3. Step 3: Cross multiply
    9,049.86x = 12,488.70 × 5,070.97
  4. Step 4: Simplify right side
    9,049.86x = 63,329,823.04
  5. Step 5: Solve for x
    x = 63,329,823.04/9,049.86
  6. Step 6: Final answer
    x = 6,997.88

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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.