Home / 11,439.92-17,192.12-6,762.13

Finding the Fourth Proportional to 11,439.92, 17,192.12 and 6,762.13

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Solution

The fourth proportional to 11,439.92, 17,192.12 and 6,762.13 is: 10,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.92 : 17,192.12 = 6,762.13 : x
  2. Step 2: Convert to fraction form
    11,439.92/17,192.12 = 6,762.13/x
  3. Step 3: Cross multiply
    11,439.92x = 17,192.12 × 6,762.13
  4. Step 4: Simplify right side
    11,439.92x = 116,255,350.42
  5. Step 5: Solve for x
    x = 116,255,350.42/11,439.92
  6. Step 6: Final answer
    x = 10,162.25

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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.