Home / 12,130.11-16,737.60-6,751.61

Finding the Fourth Proportional to 12,130.11, 16,737.60 and 6,751.61

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Solution

The fourth proportional to 12,130.11, 16,737.60 and 6,751.61 is: 9,316.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.11 : 16,737.60 = 6,751.61 : x
  2. Step 2: Convert to fraction form
    12,130.11/16,737.60 = 6,751.61/x
  3. Step 3: Cross multiply
    12,130.11x = 16,737.60 × 6,751.61
  4. Step 4: Simplify right side
    12,130.11x = 113,005,747.54
  5. Step 5: Solve for x
    x = 113,005,747.54/12,130.11
  6. Step 6: Final answer
    x = 9,316.14

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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.