Home / 8,961.50-12,367.87-5,184.62

Finding the Fourth Proportional to 8,961.50, 12,367.87 and 5,184.62

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Solution

The fourth proportional to 8,961.50, 12,367.87 and 5,184.62 is: 7,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.50 : 12,367.87 = 5,184.62 : x
  2. Step 2: Convert to fraction form
    8,961.50/12,367.87 = 5,184.62/x
  3. Step 3: Cross multiply
    8,961.50x = 12,367.87 × 5,184.62
  4. Step 4: Simplify right side
    8,961.50x = 64,122,776.47
  5. Step 5: Solve for x
    x = 64,122,776.47/8,961.50
  6. Step 6: Final answer
    x = 7,155.36

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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.