Home / 7,449.88-11,177.16-3,069.40

Finding the Fourth Proportional to 7,449.88, 11,177.16 and 3,069.40

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Solution

The fourth proportional to 7,449.88, 11,177.16 and 3,069.40 is: 4,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.88 : 11,177.16 = 3,069.40 : x
  2. Step 2: Convert to fraction form
    7,449.88/11,177.16 = 3,069.40/x
  3. Step 3: Cross multiply
    7,449.88x = 11,177.16 × 3,069.40
  4. Step 4: Simplify right side
    7,449.88x = 34,307,174.90
  5. Step 5: Solve for x
    x = 34,307,174.90/7,449.88
  6. Step 6: Final answer
    x = 4,605.06

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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.