Home / 10,508.14-15,764.51-3,113.17

Finding the Fourth Proportional to 10,508.14, 15,764.51 and 3,113.17

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Solution

The fourth proportional to 10,508.14, 15,764.51 and 3,113.17 is: 4,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.14 : 15,764.51 = 3,113.17 : x
  2. Step 2: Convert to fraction form
    10,508.14/15,764.51 = 3,113.17/x
  3. Step 3: Cross multiply
    10,508.14x = 15,764.51 × 3,113.17
  4. Step 4: Simplify right side
    10,508.14x = 49,077,599.60
  5. Step 5: Solve for x
    x = 49,077,599.60/10,508.14
  6. Step 6: Final answer
    x = 4,670.44

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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.