Home / 10,686.09-16,035.21-5,755.62

Finding the Fourth Proportional to 10,686.09, 16,035.21 and 5,755.62

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Solution

The fourth proportional to 10,686.09, 16,035.21 and 5,755.62 is: 8,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.09 : 16,035.21 = 5,755.62 : x
  2. Step 2: Convert to fraction form
    10,686.09/16,035.21 = 5,755.62/x
  3. Step 3: Cross multiply
    10,686.09x = 16,035.21 × 5,755.62
  4. Step 4: Simplify right side
    10,686.09x = 92,292,575.38
  5. Step 5: Solve for x
    x = 92,292,575.38/10,686.09
  6. Step 6: Final answer
    x = 8,636.70

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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.