Home / 8,853.40-12,217.50-5,077.24

Finding the Fourth Proportional to 8,853.40, 12,217.50 and 5,077.24

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Solution

The fourth proportional to 8,853.40, 12,217.50 and 5,077.24 is: 7,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.40 : 12,217.50 = 5,077.24 : x
  2. Step 2: Convert to fraction form
    8,853.40/12,217.50 = 5,077.24/x
  3. Step 3: Cross multiply
    8,853.40x = 12,217.50 × 5,077.24
  4. Step 4: Simplify right side
    8,853.40x = 62,031,179.70
  5. Step 5: Solve for x
    x = 62,031,179.70/8,853.40
  6. Step 6: Final answer
    x = 7,006.48

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Double scale
Find fourth proportional to 8,854.40, 12,218.88 and 5,078.24
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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.