Home / 12,475.38-18,706.86-4,152.48

Finding the Fourth Proportional to 12,475.38, 18,706.86 and 4,152.48

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Solution

The fourth proportional to 12,475.38, 18,706.86 and 4,152.48 is: 6,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.38 : 18,706.86 = 4,152.48 : x
  2. Step 2: Convert to fraction form
    12,475.38/18,706.86 = 4,152.48/x
  3. Step 3: Cross multiply
    12,475.38x = 18,706.86 × 4,152.48
  4. Step 4: Simplify right side
    12,475.38x = 77,679,862.01
  5. Step 5: Solve for x
    x = 77,679,862.01/12,475.38
  6. Step 6: Final answer
    x = 6,226.65

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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.