Home / 10,479.14-15,718.23-3,083.84

Finding the Fourth Proportional to 10,479.14, 15,718.23 and 3,083.84

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Solution

The fourth proportional to 10,479.14, 15,718.23 and 3,083.84 is: 4,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.14 : 15,718.23 = 3,083.84 : x
  2. Step 2: Convert to fraction form
    10,479.14/15,718.23 = 3,083.84/x
  3. Step 3: Cross multiply
    10,479.14x = 15,718.23 × 3,083.84
  4. Step 4: Simplify right side
    10,479.14x = 48,472,427.81
  5. Step 5: Solve for x
    x = 48,472,427.81/10,479.14
  6. Step 6: Final answer
    x = 4,625.61

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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.