Home / 10,480.92-15,718.95-3,083.40

Finding the Fourth Proportional to 10,480.92, 15,718.95 and 3,083.40

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Solution

The fourth proportional to 10,480.92, 15,718.95 and 3,083.40 is: 4,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.92 : 15,718.95 = 3,083.40 : x
  2. Step 2: Convert to fraction form
    10,480.92/15,718.95 = 3,083.40/x
  3. Step 3: Cross multiply
    10,480.92x = 15,718.95 × 3,083.40
  4. Step 4: Simplify right side
    10,480.92x = 48,467,810.43
  5. Step 5: Solve for x
    x = 48,467,810.43/10,480.92
  6. Step 6: Final answer
    x = 4,624.39

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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.