Home / 40,794.31-61,192.17-11,211.99

Finding the Fourth Proportional to 40,794.31, 61,192.17 and 11,211.99

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Solution

The fourth proportional to 40,794.31, 61,192.17 and 11,211.99 is: 16,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,794.31 : 61,192.17 = 11,211.99 : x
  2. Step 2: Convert to fraction form
    40,794.31/61,192.17 = 11,211.99/x
  3. Step 3: Cross multiply
    40,794.31x = 61,192.17 × 11,211.99
  4. Step 4: Simplify right side
    40,794.31x = 686,085,998.12
  5. Step 5: Solve for x
    x = 686,085,998.12/40,794.31
  6. Step 6: Final answer
    x = 16,818.18

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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.