Home / 10,479.22-15,723.96-4,932.34

Finding the Fourth Proportional to 10,479.22, 15,723.96 and 4,932.34

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Solution

The fourth proportional to 10,479.22, 15,723.96 and 4,932.34 is: 7,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.22 : 15,723.96 = 4,932.34 : x
  2. Step 2: Convert to fraction form
    10,479.22/15,723.96 = 4,932.34/x
  3. Step 3: Cross multiply
    10,479.22x = 15,723.96 × 4,932.34
  4. Step 4: Simplify right side
    10,479.22x = 77,555,916.87
  5. Step 5: Solve for x
    x = 77,555,916.87/10,479.22
  6. Step 6: Final answer
    x = 7,400.92

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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.