Home / 11,019.49-15,207.07-5,983.81

Finding the Fourth Proportional to 11,019.49, 15,207.07 and 5,983.81

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Solution

The fourth proportional to 11,019.49, 15,207.07 and 5,983.81 is: 8,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.49 : 15,207.07 = 5,983.81 : x
  2. Step 2: Convert to fraction form
    11,019.49/15,207.07 = 5,983.81/x
  3. Step 3: Cross multiply
    11,019.49x = 15,207.07 × 5,983.81
  4. Step 4: Simplify right side
    11,019.49x = 90,996,217.54
  5. Step 5: Solve for x
    x = 90,996,217.54/11,019.49
  6. Step 6: Final answer
    x = 8,257.75

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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.