Home / 11,642.18-17,378.75-10,774.85

Finding the Fourth Proportional to 11,642.18, 17,378.75 and 10,774.85

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Solution

The fourth proportional to 11,642.18, 17,378.75 and 10,774.85 is: 16,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.18 : 17,378.75 = 10,774.85 : x
  2. Step 2: Convert to fraction form
    11,642.18/17,378.75 = 10,774.85/x
  3. Step 3: Cross multiply
    11,642.18x = 17,378.75 × 10,774.85
  4. Step 4: Simplify right side
    11,642.18x = 187,253,474.62
  5. Step 5: Solve for x
    x = 187,253,474.62/11,642.18
  6. Step 6: Final answer
    x = 16,084.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.