Home / 11,531.68-17,296.80-4,601.20

Finding the Fourth Proportional to 11,531.68, 17,296.80 and 4,601.20

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Solution

The fourth proportional to 11,531.68, 17,296.80 and 4,601.20 is: 6,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.68 : 17,296.80 = 4,601.20 : x
  2. Step 2: Convert to fraction form
    11,531.68/17,296.80 = 4,601.20/x
  3. Step 3: Cross multiply
    11,531.68x = 17,296.80 × 4,601.20
  4. Step 4: Simplify right side
    11,531.68x = 79,586,036.16
  5. Step 5: Solve for x
    x = 79,586,036.16/11,531.68
  6. Step 6: Final answer
    x = 6,901.51

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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.