Home / 8,786.10-12,122.36-5,248.02

Finding the Fourth Proportional to 8,786.10, 12,122.36 and 5,248.02

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Solution

The fourth proportional to 8,786.10, 12,122.36 and 5,248.02 is: 7,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.10 : 12,122.36 = 5,248.02 : x
  2. Step 2: Convert to fraction form
    8,786.10/12,122.36 = 5,248.02/x
  3. Step 3: Cross multiply
    8,786.10x = 12,122.36 × 5,248.02
  4. Step 4: Simplify right side
    8,786.10x = 63,618,387.73
  5. Step 5: Solve for x
    x = 63,618,387.73/8,786.10
  6. Step 6: Final answer
    x = 7,240.80

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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.