Home / 8,557.72-12,836.60-2,317.77

Finding the Fourth Proportional to 8,557.72, 12,836.60 and 2,317.77

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Solution

The fourth proportional to 8,557.72, 12,836.60 and 2,317.77 is: 3,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.72 : 12,836.60 = 2,317.77 : x
  2. Step 2: Convert to fraction form
    8,557.72/12,836.60 = 2,317.77/x
  3. Step 3: Cross multiply
    8,557.72x = 12,836.60 × 2,317.77
  4. Step 4: Simplify right side
    8,557.72x = 29,752,286.38
  5. Step 5: Solve for x
    x = 29,752,286.38/8,557.72
  6. Step 6: Final answer
    x = 3,476.66

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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.