Home / 10,761.56-16,134.90-5,486.33

Finding the Fourth Proportional to 10,761.56, 16,134.90 and 5,486.33

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Solution

The fourth proportional to 10,761.56, 16,134.90 and 5,486.33 is: 8,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.56 : 16,134.90 = 5,486.33 : x
  2. Step 2: Convert to fraction form
    10,761.56/16,134.90 = 5,486.33/x
  3. Step 3: Cross multiply
    10,761.56x = 16,134.90 × 5,486.33
  4. Step 4: Simplify right side
    10,761.56x = 88,521,405.68
  5. Step 5: Solve for x
    x = 88,521,405.68/10,761.56
  6. Step 6: Final answer
    x = 8,225.70

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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.