Home / 37,278.10-55,897.80-10,979.38

Finding the Fourth Proportional to 37,278.10, 55,897.80 and 10,979.38

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Solution

The fourth proportional to 37,278.10, 55,897.80 and 10,979.38 is: 16,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.10 : 55,897.80 = 10,979.38 : x
  2. Step 2: Convert to fraction form
    37,278.10/55,897.80 = 10,979.38/x
  3. Step 3: Cross multiply
    37,278.10x = 55,897.80 × 10,979.38
  4. Step 4: Simplify right side
    37,278.10x = 613,723,187.36
  5. Step 5: Solve for x
    x = 613,723,187.36/37,278.10
  6. Step 6: Final answer
    x = 16,463.37

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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.