Home / 13,013.12-17,957.96-7,044.66

Finding the Fourth Proportional to 13,013.12, 17,957.96 and 7,044.66

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Solution

The fourth proportional to 13,013.12, 17,957.96 and 7,044.66 is: 9,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.12 : 17,957.96 = 7,044.66 : x
  2. Step 2: Convert to fraction form
    13,013.12/17,957.96 = 7,044.66/x
  3. Step 3: Cross multiply
    13,013.12x = 17,957.96 × 7,044.66
  4. Step 4: Simplify right side
    13,013.12x = 126,507,722.49
  5. Step 5: Solve for x
    x = 126,507,722.49/13,013.12
  6. Step 6: Final answer
    x = 9,721.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.