Home / 8,397.57-11,587.82-4,861.92

Finding the Fourth Proportional to 8,397.57, 11,587.82 and 4,861.92

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Solution

The fourth proportional to 8,397.57, 11,587.82 and 4,861.92 is: 6,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.57 : 11,587.82 = 4,861.92 : x
  2. Step 2: Convert to fraction form
    8,397.57/11,587.82 = 4,861.92/x
  3. Step 3: Cross multiply
    8,397.57x = 11,587.82 × 4,861.92
  4. Step 4: Simplify right side
    8,397.57x = 56,339,029.50
  5. Step 5: Solve for x
    x = 56,339,029.50/8,397.57
  6. Step 6: Final answer
    x = 6,708.97

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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.