Home / 10,686.85-16,026.78-3,569.17

Finding the Fourth Proportional to 10,686.85, 16,026.78 and 3,569.17

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Solution

The fourth proportional to 10,686.85, 16,026.78 and 3,569.17 is: 5,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.85 : 16,026.78 = 3,569.17 : x
  2. Step 2: Convert to fraction form
    10,686.85/16,026.78 = 3,569.17/x
  3. Step 3: Cross multiply
    10,686.85x = 16,026.78 × 3,569.17
  4. Step 4: Simplify right side
    10,686.85x = 57,202,302.37
  5. Step 5: Solve for x
    x = 57,202,302.37/10,686.85
  6. Step 6: Final answer
    x = 5,352.59

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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.