Home / 10,198.80-14,083.20-9,673.92

Finding the Fourth Proportional to 10,198.80, 14,083.20 and 9,673.92

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Solution

The fourth proportional to 10,198.80, 14,083.20 and 9,673.92 is: 13,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.80 : 14,083.20 = 9,673.92 : x
  2. Step 2: Convert to fraction form
    10,198.80/14,083.20 = 9,673.92/x
  3. Step 3: Cross multiply
    10,198.80x = 14,083.20 × 9,673.92
  4. Step 4: Simplify right side
    10,198.80x = 136,239,750.14
  5. Step 5: Solve for x
    x = 136,239,750.14/10,198.80
  6. Step 6: Final answer
    x = 13,358.41

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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.