Home / 10,497.83-15,746.98-3,920.43

Finding the Fourth Proportional to 10,497.83, 15,746.98 and 3,920.43

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Solution

The fourth proportional to 10,497.83, 15,746.98 and 3,920.43 is: 5,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.83 : 15,746.98 = 3,920.43 : x
  2. Step 2: Convert to fraction form
    10,497.83/15,746.98 = 3,920.43/x
  3. Step 3: Cross multiply
    10,497.83x = 15,746.98 × 3,920.43
  4. Step 4: Simplify right side
    10,497.83x = 61,734,932.80
  5. Step 5: Solve for x
    x = 61,734,932.80/10,497.83
  6. Step 6: Final answer
    x = 5,880.73

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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.