Home / 11,513.05-17,269.57-7,616.55

Finding the Fourth Proportional to 11,513.05, 17,269.57 and 7,616.55

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Solution

The fourth proportional to 11,513.05, 17,269.57 and 7,616.55 is: 11,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.05 : 17,269.57 = 7,616.55 : x
  2. Step 2: Convert to fraction form
    11,513.05/17,269.57 = 7,616.55/x
  3. Step 3: Cross multiply
    11,513.05x = 17,269.57 × 7,616.55
  4. Step 4: Simplify right side
    11,513.05x = 131,534,543.38
  5. Step 5: Solve for x
    x = 131,534,543.38/11,513.05
  6. Step 6: Final answer
    x = 11,424.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.