Home / 8,793.47-12,135.14-5,436.20

Finding the Fourth Proportional to 8,793.47, 12,135.14 and 5,436.20

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Solution

The fourth proportional to 8,793.47, 12,135.14 and 5,436.20 is: 7,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.47 : 12,135.14 = 5,436.20 : x
  2. Step 2: Convert to fraction form
    8,793.47/12,135.14 = 5,436.20/x
  3. Step 3: Cross multiply
    8,793.47x = 12,135.14 × 5,436.20
  4. Step 4: Simplify right side
    8,793.47x = 65,968,960.21
  5. Step 5: Solve for x
    x = 65,968,960.21/8,793.47
  6. Step 6: Final answer
    x = 7,502.04

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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.