Home / 8,155.46-12,236.11-5,031.83

Finding the Fourth Proportional to 8,155.46, 12,236.11 and 5,031.83

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Solution

The fourth proportional to 8,155.46, 12,236.11 and 5,031.83 is: 7,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.46 : 12,236.11 = 5,031.83 : x
  2. Step 2: Convert to fraction form
    8,155.46/12,236.11 = 5,031.83/x
  3. Step 3: Cross multiply
    8,155.46x = 12,236.11 × 5,031.83
  4. Step 4: Simplify right side
    8,155.46x = 61,570,025.38
  5. Step 5: Solve for x
    x = 61,570,025.38/8,155.46
  6. Step 6: Final answer
    x = 7,549.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.