Home / 9,192.42-12,685.47-5,000.70

Finding the Fourth Proportional to 9,192.42, 12,685.47 and 5,000.70

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Solution

The fourth proportional to 9,192.42, 12,685.47 and 5,000.70 is: 6,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.42 : 12,685.47 = 5,000.70 : x
  2. Step 2: Convert to fraction form
    9,192.42/12,685.47 = 5,000.70/x
  3. Step 3: Cross multiply
    9,192.42x = 12,685.47 × 5,000.70
  4. Step 4: Simplify right side
    9,192.42x = 63,436,229.83
  5. Step 5: Solve for x
    x = 63,436,229.83/9,192.42
  6. Step 6: Final answer
    x = 6,900.93

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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.