Home / 40,722.67-61,084.02-11,138.26

Finding the Fourth Proportional to 40,722.67, 61,084.02 and 11,138.26

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Solution

The fourth proportional to 40,722.67, 61,084.02 and 11,138.26 is: 16,707.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,722.67 : 61,084.02 = 11,138.26 : x
  2. Step 2: Convert to fraction form
    40,722.67/61,084.02 = 11,138.26/x
  3. Step 3: Cross multiply
    40,722.67x = 61,084.02 × 11,138.26
  4. Step 4: Simplify right side
    40,722.67x = 680,369,696.61
  5. Step 5: Solve for x
    x = 680,369,696.61/40,722.67
  6. Step 6: Final answer
    x = 16,707.39

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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.