Home / 11,057.11-15,266.68-6,809.47

Finding the Fourth Proportional to 11,057.11, 15,266.68 and 6,809.47

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Solution

The fourth proportional to 11,057.11, 15,266.68 and 6,809.47 is: 9,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.11 : 15,266.68 = 6,809.47 : x
  2. Step 2: Convert to fraction form
    11,057.11/15,266.68 = 6,809.47/x
  3. Step 3: Cross multiply
    11,057.11x = 15,266.68 × 6,809.47
  4. Step 4: Simplify right side
    11,057.11x = 103,957,944.27
  5. Step 5: Solve for x
    x = 103,957,944.27/11,057.11
  6. Step 6: Final answer
    x = 9,401.91

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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.