Home / 11,547.18-17,320.46-3,227.78

Finding the Fourth Proportional to 11,547.18, 17,320.46 and 3,227.78

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Solution

The fourth proportional to 11,547.18, 17,320.46 and 3,227.78 is: 4,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.18 : 17,320.46 = 3,227.78 : x
  2. Step 2: Convert to fraction form
    11,547.18/17,320.46 = 3,227.78/x
  3. Step 3: Cross multiply
    11,547.18x = 17,320.46 × 3,227.78
  4. Step 4: Simplify right side
    11,547.18x = 55,906,661.54
  5. Step 5: Solve for x
    x = 55,906,661.54/11,547.18
  6. Step 6: Final answer
    x = 4,841.59

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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.