Home / 13,371.08-18,452.34-7,999.04

Finding the Fourth Proportional to 13,371.08, 18,452.34 and 7,999.04

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Solution

The fourth proportional to 13,371.08, 18,452.34 and 7,999.04 is: 11,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.08 : 18,452.34 = 7,999.04 : x
  2. Step 2: Convert to fraction form
    13,371.08/18,452.34 = 7,999.04/x
  3. Step 3: Cross multiply
    13,371.08x = 18,452.34 × 7,999.04
  4. Step 4: Simplify right side
    13,371.08x = 147,601,051.88
  5. Step 5: Solve for x
    x = 147,601,051.88/13,371.08
  6. Step 6: Final answer
    x = 11,038.83

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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.