Home / 10,685.19-16,031.43-5,755.33

Finding the Fourth Proportional to 10,685.19, 16,031.43 and 5,755.33

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Solution

The fourth proportional to 10,685.19, 16,031.43 and 5,755.33 is: 8,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.19 : 16,031.43 = 5,755.33 : x
  2. Step 2: Convert to fraction form
    10,685.19/16,031.43 = 5,755.33/x
  3. Step 3: Cross multiply
    10,685.19x = 16,031.43 × 5,755.33
  4. Step 4: Simplify right side
    10,685.19x = 92,266,129.94
  5. Step 5: Solve for x
    x = 92,266,129.94/10,685.19
  6. Step 6: Final answer
    x = 8,634.95

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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.