Home / 11,743.13-17,610.61-4,721.06

Finding the Fourth Proportional to 11,743.13, 17,610.61 and 4,721.06

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Solution

The fourth proportional to 11,743.13, 17,610.61 and 4,721.06 is: 7,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.13 : 17,610.61 = 4,721.06 : x
  2. Step 2: Convert to fraction form
    11,743.13/17,610.61 = 4,721.06/x
  3. Step 3: Cross multiply
    11,743.13x = 17,610.61 × 4,721.06
  4. Step 4: Simplify right side
    11,743.13x = 83,140,746.45
  5. Step 5: Solve for x
    x = 83,140,746.45/11,743.13
  6. Step 6: Final answer
    x = 7,079.95

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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.