Home / 8,217.76-11,349.86-5,524.30

Finding the Fourth Proportional to 8,217.76, 11,349.86 and 5,524.30

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Solution

The fourth proportional to 8,217.76, 11,349.86 and 5,524.30 is: 7,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.76 : 11,349.86 = 5,524.30 : x
  2. Step 2: Convert to fraction form
    8,217.76/11,349.86 = 5,524.30/x
  3. Step 3: Cross multiply
    8,217.76x = 11,349.86 × 5,524.30
  4. Step 4: Simplify right side
    8,217.76x = 62,700,031.60
  5. Step 5: Solve for x
    x = 62,700,031.60/8,217.76
  6. Step 6: Final answer
    x = 7,629.82

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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.