Home / 9,861.29-13,608.55-5,882.57

Finding the Fourth Proportional to 9,861.29, 13,608.55 and 5,882.57

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Solution

The fourth proportional to 9,861.29, 13,608.55 and 5,882.57 is: 8,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.29 : 13,608.55 = 5,882.57 : x
  2. Step 2: Convert to fraction form
    9,861.29/13,608.55 = 5,882.57/x
  3. Step 3: Cross multiply
    9,861.29x = 13,608.55 × 5,882.57
  4. Step 4: Simplify right side
    9,861.29x = 80,053,289.35
  5. Step 5: Solve for x
    x = 80,053,289.35/9,861.29
  6. Step 6: Final answer
    x = 8,117.93

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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.