Home / 10,255.92-15,383.88-5,876.16

Finding the Fourth Proportional to 10,255.92, 15,383.88 and 5,876.16

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Solution

The fourth proportional to 10,255.92, 15,383.88 and 5,876.16 is: 8,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.92 : 15,383.88 = 5,876.16 : x
  2. Step 2: Convert to fraction form
    10,255.92/15,383.88 = 5,876.16/x
  3. Step 3: Cross multiply
    10,255.92x = 15,383.88 × 5,876.16
  4. Step 4: Simplify right side
    10,255.92x = 90,398,140.30
  5. Step 5: Solve for x
    x = 90,398,140.30/10,255.92
  6. Step 6: Final answer
    x = 8,814.24

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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.