Home / 13,017.24-17,963.75-7,048.90

Finding the Fourth Proportional to 13,017.24, 17,963.75 and 7,048.90

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Solution

The fourth proportional to 13,017.24, 17,963.75 and 7,048.90 is: 9,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.24 : 17,963.75 = 7,048.90 : x
  2. Step 2: Convert to fraction form
    13,017.24/17,963.75 = 7,048.90/x
  3. Step 3: Cross multiply
    13,017.24x = 17,963.75 × 7,048.90
  4. Step 4: Simplify right side
    13,017.24x = 126,624,642.13
  5. Step 5: Solve for x
    x = 126,624,642.13/13,017.24
  6. Step 6: Final answer
    x = 9,727.46

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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.