Home / 10,479.52-15,719.12-2,582.12

Finding the Fourth Proportional to 10,479.52, 15,719.12 and 2,582.12

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Solution

The fourth proportional to 10,479.52, 15,719.12 and 2,582.12 is: 3,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.52 : 15,719.12 = 2,582.12 : x
  2. Step 2: Convert to fraction form
    10,479.52/15,719.12 = 2,582.12/x
  3. Step 3: Cross multiply
    10,479.52x = 15,719.12 × 2,582.12
  4. Step 4: Simplify right side
    10,479.52x = 40,588,699.89
  5. Step 5: Solve for x
    x = 40,588,699.89/10,479.52
  6. Step 6: Final answer
    x = 3,873.15

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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.