Home / 13,035.40-17,988.84-7,067.04

Finding the Fourth Proportional to 13,035.40, 17,988.84 and 7,067.04

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Solution

The fourth proportional to 13,035.40, 17,988.84 and 7,067.04 is: 9,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.40 : 17,988.84 = 7,067.04 : x
  2. Step 2: Convert to fraction form
    13,035.40/17,988.84 = 7,067.04/x
  3. Step 3: Cross multiply
    13,035.40x = 17,988.84 × 7,067.04
  4. Step 4: Simplify right side
    13,035.40x = 127,127,851.83
  5. Step 5: Solve for x
    x = 127,127,851.83/13,035.40
  6. Step 6: Final answer
    x = 9,752.51

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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.