Home / 11,741.79-17,618.45-4,721.52

Finding the Fourth Proportional to 11,741.79, 17,618.45 and 4,721.52

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Solution

The fourth proportional to 11,741.79, 17,618.45 and 4,721.52 is: 7,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.79 : 17,618.45 = 4,721.52 : x
  2. Step 2: Convert to fraction form
    11,741.79/17,618.45 = 4,721.52/x
  3. Step 3: Cross multiply
    11,741.79x = 17,618.45 × 4,721.52
  4. Step 4: Simplify right side
    11,741.79x = 83,185,864.04
  5. Step 5: Solve for x
    x = 83,185,864.04/11,741.79
  6. Step 6: Final answer
    x = 7,084.60

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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.