Home / 12,862.46-17,751.90-7,199.37

Finding the Fourth Proportional to 12,862.46, 17,751.90 and 7,199.37

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Solution

The fourth proportional to 12,862.46, 17,751.90 and 7,199.37 is: 9,936.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.46 : 17,751.90 = 7,199.37 : x
  2. Step 2: Convert to fraction form
    12,862.46/17,751.90 = 7,199.37/x
  3. Step 3: Cross multiply
    12,862.46x = 17,751.90 × 7,199.37
  4. Step 4: Simplify right side
    12,862.46x = 127,802,496.30
  5. Step 5: Solve for x
    x = 127,802,496.30/12,862.46
  6. Step 6: Final answer
    x = 9,936.09

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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.