Home / 9,861.48-13,608.81-5,882.76

Finding the Fourth Proportional to 9,861.48, 13,608.81 and 5,882.76

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Solution

The fourth proportional to 9,861.48, 13,608.81 and 5,882.76 is: 8,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.48 : 13,608.81 = 5,882.76 : x
  2. Step 2: Convert to fraction form
    9,861.48/13,608.81 = 5,882.76/x
  3. Step 3: Cross multiply
    9,861.48x = 13,608.81 × 5,882.76
  4. Step 4: Simplify right side
    9,861.48x = 80,057,363.12
  5. Step 5: Solve for x
    x = 80,057,363.12/9,861.48
  6. Step 6: Final answer
    x = 8,118.19

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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.