Home / 9,198.38-12,693.77-5,006.63

Finding the Fourth Proportional to 9,198.38, 12,693.77 and 5,006.63

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Solution

The fourth proportional to 9,198.38, 12,693.77 and 5,006.63 is: 6,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.38 : 12,693.77 = 5,006.63 : x
  2. Step 2: Convert to fraction form
    9,198.38/12,693.77 = 5,006.63/x
  3. Step 3: Cross multiply
    9,198.38x = 12,693.77 × 5,006.63
  4. Step 4: Simplify right side
    9,198.38x = 63,552,921.19
  5. Step 5: Solve for x
    x = 63,552,921.19/9,198.38
  6. Step 6: Final answer
    x = 6,909.15

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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.