Home / 7,488.15-11,228.99-2,292.81

Finding the Fourth Proportional to 7,488.15, 11,228.99 and 2,292.81

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Solution

The fourth proportional to 7,488.15, 11,228.99 and 2,292.81 is: 3,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.15 : 11,228.99 = 2,292.81 : x
  2. Step 2: Convert to fraction form
    7,488.15/11,228.99 = 2,292.81/x
  3. Step 3: Cross multiply
    7,488.15x = 11,228.99 × 2,292.81
  4. Step 4: Simplify right side
    7,488.15x = 25,745,929.10
  5. Step 5: Solve for x
    x = 25,745,929.10/7,488.15
  6. Step 6: Final answer
    x = 3,438.22

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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.