Home / 13,042.20-17,998.24-7,073.96

Finding the Fourth Proportional to 13,042.20, 17,998.24 and 7,073.96

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Solution

The fourth proportional to 13,042.20, 17,998.24 and 7,073.96 is: 9,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.20 : 17,998.24 = 7,073.96 : x
  2. Step 2: Convert to fraction form
    13,042.20/17,998.24 = 7,073.96/x
  3. Step 3: Cross multiply
    13,042.20x = 17,998.24 × 7,073.96
  4. Step 4: Simplify right side
    13,042.20x = 127,318,829.83
  5. Step 5: Solve for x
    x = 127,318,829.83/13,042.20
  6. Step 6: Final answer
    x = 9,762.07

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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.