Home / 7,442.13-11,162.66-3,000.09

Finding the Fourth Proportional to 7,442.13, 11,162.66 and 3,000.09

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Solution

The fourth proportional to 7,442.13, 11,162.66 and 3,000.09 is: 4,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.13 : 11,162.66 = 3,000.09 : x
  2. Step 2: Convert to fraction form
    7,442.13/11,162.66 = 3,000.09/x
  3. Step 3: Cross multiply
    7,442.13x = 11,162.66 × 3,000.09
  4. Step 4: Simplify right side
    7,442.13x = 33,488,969.64
  5. Step 5: Solve for x
    x = 33,488,969.64/7,442.13
  6. Step 6: Final answer
    x = 4,499.92

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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.