Home / 7,660.49-11,488.52-3,498.29

Finding the Fourth Proportional to 7,660.49, 11,488.52 and 3,498.29

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Solution

The fourth proportional to 7,660.49, 11,488.52 and 3,498.29 is: 5,246.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.49 : 11,488.52 = 3,498.29 : x
  2. Step 2: Convert to fraction form
    7,660.49/11,488.52 = 3,498.29/x
  3. Step 3: Cross multiply
    7,660.49x = 11,488.52 × 3,498.29
  4. Step 4: Simplify right side
    7,660.49x = 40,190,157.14
  5. Step 5: Solve for x
    x = 40,190,157.14/7,660.49
  6. Step 6: Final answer
    x = 5,246.42

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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.