Home / 11,352.76-17,017.62-7,191.48

Finding the Fourth Proportional to 11,352.76, 17,017.62 and 7,191.48

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Solution

The fourth proportional to 11,352.76, 17,017.62 and 7,191.48 is: 10,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.76 : 17,017.62 = 7,191.48 : x
  2. Step 2: Convert to fraction form
    11,352.76/17,017.62 = 7,191.48/x
  3. Step 3: Cross multiply
    11,352.76x = 17,017.62 × 7,191.48
  4. Step 4: Simplify right side
    11,352.76x = 122,381,873.88
  5. Step 5: Solve for x
    x = 122,381,873.88/11,352.76
  6. Step 6: Final answer
    x = 10,779.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.