Home / 7,400.46-11,102.49-4,929.15

Finding the Fourth Proportional to 7,400.46, 11,102.49 and 4,929.15

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Solution

The fourth proportional to 7,400.46, 11,102.49 and 4,929.15 is: 7,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.46 : 11,102.49 = 4,929.15 : x
  2. Step 2: Convert to fraction form
    7,400.46/11,102.49 = 4,929.15/x
  3. Step 3: Cross multiply
    7,400.46x = 11,102.49 × 4,929.15
  4. Step 4: Simplify right side
    7,400.46x = 54,725,838.58
  5. Step 5: Solve for x
    x = 54,725,838.58/7,400.46
  6. Step 6: Final answer
    x = 7,394.92

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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.