Home / 7,335.12-11,003.20-2,952.60

Finding the Fourth Proportional to 7,335.12, 11,003.20 and 2,952.60

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Solution

The fourth proportional to 7,335.12, 11,003.20 and 2,952.60 is: 4,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.12 : 11,003.20 = 2,952.60 : x
  2. Step 2: Convert to fraction form
    7,335.12/11,003.20 = 2,952.60/x
  3. Step 3: Cross multiply
    7,335.12x = 11,003.20 × 2,952.60
  4. Step 4: Simplify right side
    7,335.12x = 32,488,048.32
  5. Step 5: Solve for x
    x = 32,488,048.32/7,335.12
  6. Step 6: Final answer
    x = 4,429.11

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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.