Home / 10,591.40-14,641.62-8,085.80

Finding the Fourth Proportional to 10,591.40, 14,641.62 and 8,085.80

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Solution

The fourth proportional to 10,591.40, 14,641.62 and 8,085.80 is: 11,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.40 : 14,641.62 = 8,085.80 : x
  2. Step 2: Convert to fraction form
    10,591.40/14,641.62 = 8,085.80/x
  3. Step 3: Cross multiply
    10,591.40x = 14,641.62 × 8,085.80
  4. Step 4: Simplify right side
    10,591.40x = 118,389,211.00
  5. Step 5: Solve for x
    x = 118,389,211.00/10,591.40
  6. Step 6: Final answer
    x = 11,177.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.