Home / 13,017.40-17,963.80-7,049.02

Finding the Fourth Proportional to 13,017.40, 17,963.80 and 7,049.02

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Solution

The fourth proportional to 13,017.40, 17,963.80 and 7,049.02 is: 9,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.40 : 17,963.80 = 7,049.02 : x
  2. Step 2: Convert to fraction form
    13,017.40/17,963.80 = 7,049.02/x
  3. Step 3: Cross multiply
    13,017.40x = 17,963.80 × 7,049.02
  4. Step 4: Simplify right side
    13,017.40x = 126,627,185.48
  5. Step 5: Solve for x
    x = 126,627,185.48/13,017.40
  6. Step 6: Final answer
    x = 9,727.53

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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.