Home / 12,526.86-18,791.24-4,206.92

Finding the Fourth Proportional to 12,526.86, 18,791.24 and 4,206.92

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Solution

The fourth proportional to 12,526.86, 18,791.24 and 4,206.92 is: 6,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.86 : 18,791.24 = 4,206.92 : x
  2. Step 2: Convert to fraction form
    12,526.86/18,791.24 = 4,206.92/x
  3. Step 3: Cross multiply
    12,526.86x = 18,791.24 × 4,206.92
  4. Step 4: Simplify right side
    12,526.86x = 79,053,243.38
  5. Step 5: Solve for x
    x = 79,053,243.38/12,526.86
  6. Step 6: Final answer
    x = 6,310.70

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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.