Home / 9,315.04-13,972.80-2,741.44

Finding the Fourth Proportional to 9,315.04, 13,972.80 and 2,741.44

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Solution

The fourth proportional to 9,315.04, 13,972.80 and 2,741.44 is: 4,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.04 : 13,972.80 = 2,741.44 : x
  2. Step 2: Convert to fraction form
    9,315.04/13,972.80 = 2,741.44/x
  3. Step 3: Cross multiply
    9,315.04x = 13,972.80 × 2,741.44
  4. Step 4: Simplify right side
    9,315.04x = 38,305,592.83
  5. Step 5: Solve for x
    x = 38,305,592.83/9,315.04
  6. Step 6: Final answer
    x = 4,112.23

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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.