Home / 10,932.12-15,083.10-6,456.24

Finding the Fourth Proportional to 10,932.12, 15,083.10 and 6,456.24

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Solution

The fourth proportional to 10,932.12, 15,083.10 and 6,456.24 is: 8,907.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.12 : 15,083.10 = 6,456.24 : x
  2. Step 2: Convert to fraction form
    10,932.12/15,083.10 = 6,456.24/x
  3. Step 3: Cross multiply
    10,932.12x = 15,083.10 × 6,456.24
  4. Step 4: Simplify right side
    10,932.12x = 97,380,113.54
  5. Step 5: Solve for x
    x = 97,380,113.54/10,932.12
  6. Step 6: Final answer
    x = 8,907.71

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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.