Home / 10,691.40-16,036.74-4,843.92

Finding the Fourth Proportional to 10,691.40, 16,036.74 and 4,843.92

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Solution

The fourth proportional to 10,691.40, 16,036.74 and 4,843.92 is: 7,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.40 : 16,036.74 = 4,843.92 : x
  2. Step 2: Convert to fraction form
    10,691.40/16,036.74 = 4,843.92/x
  3. Step 3: Cross multiply
    10,691.40x = 16,036.74 × 4,843.92
  4. Step 4: Simplify right side
    10,691.40x = 77,680,685.62
  5. Step 5: Solve for x
    x = 77,680,685.62/10,691.40
  6. Step 6: Final answer
    x = 7,265.72

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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.