Home / 7,488.87-11,235.03-2,223.76

Finding the Fourth Proportional to 7,488.87, 11,235.03 and 2,223.76

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Solution

The fourth proportional to 7,488.87, 11,235.03 and 2,223.76 is: 3,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.87 : 11,235.03 = 2,223.76 : x
  2. Step 2: Convert to fraction form
    7,488.87/11,235.03 = 2,223.76/x
  3. Step 3: Cross multiply
    7,488.87x = 11,235.03 × 2,223.76
  4. Step 4: Simplify right side
    7,488.87x = 24,983,994.95
  5. Step 5: Solve for x
    x = 24,983,994.95/7,488.87
  6. Step 6: Final answer
    x = 3,336.15

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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.