Home / 12,979.38-19,471.50-6,053.88

Finding the Fourth Proportional to 12,979.38, 19,471.50 and 6,053.88

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Solution

The fourth proportional to 12,979.38, 19,471.50 and 6,053.88 is: 9,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979.38 : 19,471.50 = 6,053.88 : x
  2. Step 2: Convert to fraction form
    12,979.38/19,471.50 = 6,053.88/x
  3. Step 3: Cross multiply
    12,979.38x = 19,471.50 × 6,053.88
  4. Step 4: Simplify right side
    12,979.38x = 117,878,124.42
  5. Step 5: Solve for x
    x = 117,878,124.42/12,979.38
  6. Step 6: Final answer
    x = 9,081.95

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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.