Home / 8,778.12-12,113.73-5,001.44

Finding the Fourth Proportional to 8,778.12, 12,113.73 and 5,001.44

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Solution

The fourth proportional to 8,778.12, 12,113.73 and 5,001.44 is: 6,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.12 : 12,113.73 = 5,001.44 : x
  2. Step 2: Convert to fraction form
    8,778.12/12,113.73 = 5,001.44/x
  3. Step 3: Cross multiply
    8,778.12x = 12,113.73 × 5,001.44
  4. Step 4: Simplify right side
    8,778.12x = 60,586,033.20
  5. Step 5: Solve for x
    x = 60,586,033.20/8,778.12
  6. Step 6: Final answer
    x = 6,901.94

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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.