Home / 10,221.83-14,107.57-5,745.87

Finding the Fourth Proportional to 10,221.83, 14,107.57 and 5,745.87

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Solution

The fourth proportional to 10,221.83, 14,107.57 and 5,745.87 is: 7,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.83 : 14,107.57 = 5,745.87 : x
  2. Step 2: Convert to fraction form
    10,221.83/14,107.57 = 5,745.87/x
  3. Step 3: Cross multiply
    10,221.83x = 14,107.57 × 5,745.87
  4. Step 4: Simplify right side
    10,221.83x = 81,060,248.87
  5. Step 5: Solve for x
    x = 81,060,248.87/10,221.83
  6. Step 6: Final answer
    x = 7,930.11

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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.