Home / 10,109.61-13,951.26-5,861.49

Finding the Fourth Proportional to 10,109.61, 13,951.26 and 5,861.49

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Solution

The fourth proportional to 10,109.61, 13,951.26 and 5,861.49 is: 8,088.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.61 : 13,951.26 = 5,861.49 : x
  2. Step 2: Convert to fraction form
    10,109.61/13,951.26 = 5,861.49/x
  3. Step 3: Cross multiply
    10,109.61x = 13,951.26 × 5,861.49
  4. Step 4: Simplify right side
    10,109.61x = 81,775,170.98
  5. Step 5: Solve for x
    x = 81,775,170.98/10,109.61
  6. Step 6: Final answer
    x = 8,088.86

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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.