Home / 11,480.23-17,218.27-3,159.17

Finding the Fourth Proportional to 11,480.23, 17,218.27 and 3,159.17

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Solution

The fourth proportional to 11,480.23, 17,218.27 and 3,159.17 is: 4,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.23 : 17,218.27 = 3,159.17 : x
  2. Step 2: Convert to fraction form
    11,480.23/17,218.27 = 3,159.17/x
  3. Step 3: Cross multiply
    11,480.23x = 17,218.27 × 3,159.17
  4. Step 4: Simplify right side
    11,480.23x = 54,395,442.04
  5. Step 5: Solve for x
    x = 54,395,442.04/11,480.23
  6. Step 6: Final answer
    x = 4,738.18

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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.