Home / 11,472.39-15,833.55-6,369.08

Finding the Fourth Proportional to 11,472.39, 15,833.55 and 6,369.08

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Solution

The fourth proportional to 11,472.39, 15,833.55 and 6,369.08 is: 8,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.39 : 15,833.55 = 6,369.08 : x
  2. Step 2: Convert to fraction form
    11,472.39/15,833.55 = 6,369.08/x
  3. Step 3: Cross multiply
    11,472.39x = 15,833.55 × 6,369.08
  4. Step 4: Simplify right side
    11,472.39x = 100,845,092.25
  5. Step 5: Solve for x
    x = 100,845,092.25/11,472.39
  6. Step 6: Final answer
    x = 8,790.24

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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.