Home / 8,587.11-11,849.42-4,861.11

Finding the Fourth Proportional to 8,587.11, 11,849.42 and 4,861.11

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Solution

The fourth proportional to 8,587.11, 11,849.42 and 4,861.11 is: 6,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.11 : 11,849.42 = 4,861.11 : x
  2. Step 2: Convert to fraction form
    8,587.11/11,849.42 = 4,861.11/x
  3. Step 3: Cross multiply
    8,587.11x = 11,849.42 × 4,861.11
  4. Step 4: Simplify right side
    8,587.11x = 57,601,309.75
  5. Step 5: Solve for x
    x = 57,601,309.75/8,587.11
  6. Step 6: Final answer
    x = 6,707.88

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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.