Home / 12,772.33-19,158.48-4,007.92

Finding the Fourth Proportional to 12,772.33, 19,158.48 and 4,007.92

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Solution

The fourth proportional to 12,772.33, 19,158.48 and 4,007.92 is: 6,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.33 : 19,158.48 = 4,007.92 : x
  2. Step 2: Convert to fraction form
    12,772.33/19,158.48 = 4,007.92/x
  3. Step 3: Cross multiply
    12,772.33x = 19,158.48 × 4,007.92
  4. Step 4: Simplify right side
    12,772.33x = 76,785,655.16
  5. Step 5: Solve for x
    x = 76,785,655.16/12,772.33
  6. Step 6: Final answer
    x = 6,011.88

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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.