Home / 10,508.29-15,764.75-3,113.33

Finding the Fourth Proportional to 10,508.29, 15,764.75 and 3,113.33

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Solution

The fourth proportional to 10,508.29, 15,764.75 and 3,113.33 is: 4,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.29 : 15,764.75 = 3,113.33 : x
  2. Step 2: Convert to fraction form
    10,508.29/15,764.75 = 3,113.33/x
  3. Step 3: Cross multiply
    10,508.29x = 15,764.75 × 3,113.33
  4. Step 4: Simplify right side
    10,508.29x = 49,080,853.55
  5. Step 5: Solve for x
    x = 49,080,853.55/10,508.29
  6. Step 6: Final answer
    x = 4,670.68

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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.