Home / 8,841.36-12,201.39-4,862.78

Finding the Fourth Proportional to 8,841.36, 12,201.39 and 4,862.78

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Solution

The fourth proportional to 8,841.36, 12,201.39 and 4,862.78 is: 6,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.36 : 12,201.39 = 4,862.78 : x
  2. Step 2: Convert to fraction form
    8,841.36/12,201.39 = 4,862.78/x
  3. Step 3: Cross multiply
    8,841.36x = 12,201.39 × 4,862.78
  4. Step 4: Simplify right side
    8,841.36x = 59,332,614.26
  5. Step 5: Solve for x
    x = 59,332,614.26/8,841.36
  6. Step 6: Final answer
    x = 6,710.80

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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.