Home / 10,843.16-16,217.82-6,390.27

Finding the Fourth Proportional to 10,843.16, 16,217.82 and 6,390.27

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Solution

The fourth proportional to 10,843.16, 16,217.82 and 6,390.27 is: 9,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,843.16 : 16,217.82 = 6,390.27 : x
  2. Step 2: Convert to fraction form
    10,843.16/16,217.82 = 6,390.27/x
  3. Step 3: Cross multiply
    10,843.16x = 16,217.82 × 6,390.27
  4. Step 4: Simplify right side
    10,843.16x = 103,636,248.61
  5. Step 5: Solve for x
    x = 103,636,248.61/10,843.16
  6. Step 6: Final answer
    x = 9,557.76

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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.