Home / 10,221.52-14,103.66-5,745.46

Finding the Fourth Proportional to 10,221.52, 14,103.66 and 5,745.46

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Solution

The fourth proportional to 10,221.52, 14,103.66 and 5,745.46 is: 7,927.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.52 : 14,103.66 = 5,745.46 : x
  2. Step 2: Convert to fraction form
    10,221.52/14,103.66 = 5,745.46/x
  3. Step 3: Cross multiply
    10,221.52x = 14,103.66 × 5,745.46
  4. Step 4: Simplify right side
    10,221.52x = 81,032,014.38
  5. Step 5: Solve for x
    x = 81,032,014.38/10,221.52
  6. Step 6: Final answer
    x = 7,927.59

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Double scale
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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.