Home / 8,712.44-12,023.20-4,936.31

Finding the Fourth Proportional to 8,712.44, 12,023.20 and 4,936.31

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Solution

The fourth proportional to 8,712.44, 12,023.20 and 4,936.31 is: 6,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.44 : 12,023.20 = 4,936.31 : x
  2. Step 2: Convert to fraction form
    8,712.44/12,023.20 = 4,936.31/x
  3. Step 3: Cross multiply
    8,712.44x = 12,023.20 × 4,936.31
  4. Step 4: Simplify right side
    8,712.44x = 59,350,233.53
  5. Step 5: Solve for x
    x = 59,350,233.53/8,712.44
  6. Step 6: Final answer
    x = 6,812.12

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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.