Home / 8,255.52-11,399.94-5,612.76

Finding the Fourth Proportional to 8,255.52, 11,399.94 and 5,612.76

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Solution

The fourth proportional to 8,255.52, 11,399.94 and 5,612.76 is: 7,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.52 : 11,399.94 = 5,612.76 : x
  2. Step 2: Convert to fraction form
    8,255.52/11,399.94 = 5,612.76/x
  3. Step 3: Cross multiply
    8,255.52x = 11,399.94 × 5,612.76
  4. Step 4: Simplify right side
    8,255.52x = 63,985,127.23
  5. Step 5: Solve for x
    x = 63,985,127.23/8,255.52
  6. Step 6: Final answer
    x = 7,750.59

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Half scale
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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.