Home / 11,472.54-15,832.00-6,436.65

Finding the Fourth Proportional to 11,472.54, 15,832.00 and 6,436.65

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Solution

The fourth proportional to 11,472.54, 15,832.00 and 6,436.65 is: 8,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.54 : 15,832.00 = 6,436.65 : x
  2. Step 2: Convert to fraction form
    11,472.54/15,832.00 = 6,436.65/x
  3. Step 3: Cross multiply
    11,472.54x = 15,832.00 × 6,436.65
  4. Step 4: Simplify right side
    11,472.54x = 101,904,931.46
  5. Step 5: Solve for x
    x = 101,904,931.46/11,472.54
  6. Step 6: Final answer
    x = 8,882.51

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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.