Home / 12,524.40-17,283.24-7,218.36

Finding the Fourth Proportional to 12,524.40, 17,283.24 and 7,218.36

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Solution

The fourth proportional to 12,524.40, 17,283.24 and 7,218.36 is: 9,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.40 : 17,283.24 = 7,218.36 : x
  2. Step 2: Convert to fraction form
    12,524.40/17,283.24 = 7,218.36/x
  3. Step 3: Cross multiply
    12,524.40x = 17,283.24 × 7,218.36
  4. Step 4: Simplify right side
    12,524.40x = 124,756,648.29
  5. Step 5: Solve for x
    x = 124,756,648.29/12,524.40
  6. Step 6: Final answer
    x = 9,961.09

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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.