Home / 10,480.97-15,716.40-4,929.62

Finding the Fourth Proportional to 10,480.97, 15,716.40 and 4,929.62

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Solution

The fourth proportional to 10,480.97, 15,716.40 and 4,929.62 is: 7,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.97 : 15,716.40 = 4,929.62 : x
  2. Step 2: Convert to fraction form
    10,480.97/15,716.40 = 4,929.62/x
  3. Step 3: Cross multiply
    10,480.97x = 15,716.40 × 4,929.62
  4. Step 4: Simplify right side
    10,480.97x = 77,475,879.77
  5. Step 5: Solve for x
    x = 77,475,879.77/10,480.97
  6. Step 6: Final answer
    x = 7,392.05

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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.