Home / 13,081.75-18,052.44-7,417.04

Finding the Fourth Proportional to 13,081.75, 18,052.44 and 7,417.04

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Solution

The fourth proportional to 13,081.75, 18,052.44 and 7,417.04 is: 10,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.75 : 18,052.44 = 7,417.04 : x
  2. Step 2: Convert to fraction form
    13,081.75/18,052.44 = 7,417.04/x
  3. Step 3: Cross multiply
    13,081.75x = 18,052.44 × 7,417.04
  4. Step 4: Simplify right side
    13,081.75x = 133,895,766.40
  5. Step 5: Solve for x
    x = 133,895,766.40/13,081.75
  6. Step 6: Final answer
    x = 10,235.31

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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.