Home / 8,338.60-11,512.06-6,225.78

Finding the Fourth Proportional to 8,338.60, 11,512.06 and 6,225.78

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Solution

The fourth proportional to 8,338.60, 11,512.06 and 6,225.78 is: 8,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.60 : 11,512.06 = 6,225.78 : x
  2. Step 2: Convert to fraction form
    8,338.60/11,512.06 = 6,225.78/x
  3. Step 3: Cross multiply
    8,338.60x = 11,512.06 × 6,225.78
  4. Step 4: Simplify right side
    8,338.60x = 71,671,552.91
  5. Step 5: Solve for x
    x = 71,671,552.91/8,338.60
  6. Step 6: Final answer
    x = 8,595.15

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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.