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Finding the Fourth Proportional to 8,967.76, 12,377.48 and 5,193.52

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Solution

The fourth proportional to 8,967.76, 12,377.48 and 5,193.52 is: 7,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.76 : 12,377.48 = 5,193.52 : x
  2. Step 2: Convert to fraction form
    8,967.76/12,377.48 = 5,193.52/x
  3. Step 3: Cross multiply
    8,967.76x = 12,377.48 × 5,193.52
  4. Step 4: Simplify right side
    8,967.76x = 64,282,689.93
  5. Step 5: Solve for x
    x = 64,282,689.93/8,967.76
  6. Step 6: Final answer
    x = 7,168.20

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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.