Home / 8,778.17-13,226.55-7,252.35

Finding the Fourth Proportional to 8,778.17, 13,226.55 and 7,252.35

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Solution

The fourth proportional to 8,778.17, 13,226.55 and 7,252.35 is: 10,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.17 : 13,226.55 = 7,252.35 : x
  2. Step 2: Convert to fraction form
    8,778.17/13,226.55 = 7,252.35/x
  3. Step 3: Cross multiply
    8,778.17x = 13,226.55 × 7,252.35
  4. Step 4: Simplify right side
    8,778.17x = 95,923,569.89
  5. Step 5: Solve for x
    x = 95,923,569.89/8,778.17
  6. Step 6: Final answer
    x = 10,927.52

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.