Home / 27,531.90-41,299.42-7,808.91

Finding the Fourth Proportional to 27,531.90, 41,299.42 and 7,808.91

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Solution

The fourth proportional to 27,531.90, 41,299.42 and 7,808.91 is: 11,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.90 : 41,299.42 = 7,808.91 : x
  2. Step 2: Convert to fraction form
    27,531.90/41,299.42 = 7,808.91/x
  3. Step 3: Cross multiply
    27,531.90x = 41,299.42 × 7,808.91
  4. Step 4: Simplify right side
    27,531.90x = 322,503,294.08
  5. Step 5: Solve for x
    x = 322,503,294.08/27,531.90
  6. Step 6: Final answer
    x = 11,713.80

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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.