Home / 11,472.83-15,833.13-6,438.65

Finding the Fourth Proportional to 11,472.83, 15,833.13 and 6,438.65

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Solution

The fourth proportional to 11,472.83, 15,833.13 and 6,438.65 is: 8,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.83 : 15,833.13 = 6,438.65 : x
  2. Step 2: Convert to fraction form
    11,472.83/15,833.13 = 6,438.65/x
  3. Step 3: Cross multiply
    11,472.83x = 15,833.13 × 6,438.65
  4. Step 4: Simplify right side
    11,472.83x = 101,943,903.31
  5. Step 5: Solve for x
    x = 101,943,903.31/11,472.83
  6. Step 6: Final answer
    x = 8,885.68

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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.