Home / 10,192.15-15,294.02-7,964.70

Finding the Fourth Proportional to 10,192.15, 15,294.02 and 7,964.70

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Solution

The fourth proportional to 10,192.15, 15,294.02 and 7,964.70 is: 11,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.15 : 15,294.02 = 7,964.70 : x
  2. Step 2: Convert to fraction form
    10,192.15/15,294.02 = 7,964.70/x
  3. Step 3: Cross multiply
    10,192.15x = 15,294.02 × 7,964.70
  4. Step 4: Simplify right side
    10,192.15x = 121,812,183.92
  5. Step 5: Solve for x
    x = 121,812,183.92/10,192.15
  6. Step 6: Final answer
    x = 11,951.57

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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.