Home / 7,439.25-11,159.33-2,245.17

Finding the Fourth Proportional to 7,439.25, 11,159.33 and 2,245.17

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Solution

The fourth proportional to 7,439.25, 11,159.33 and 2,245.17 is: 3,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.25 : 11,159.33 = 2,245.17 : x
  2. Step 2: Convert to fraction form
    7,439.25/11,159.33 = 2,245.17/x
  3. Step 3: Cross multiply
    7,439.25x = 11,159.33 × 2,245.17
  4. Step 4: Simplify right side
    7,439.25x = 25,054,581.71
  5. Step 5: Solve for x
    x = 25,054,581.71/7,439.25
  6. Step 6: Final answer
    x = 3,367.89

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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.