Home / 10,388.11-15,581.94-2,596.93

Finding the Fourth Proportional to 10,388.11, 15,581.94 and 2,596.93

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Solution

The fourth proportional to 10,388.11, 15,581.94 and 2,596.93 is: 3,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.11 : 15,581.94 = 2,596.93 : x
  2. Step 2: Convert to fraction form
    10,388.11/15,581.94 = 2,596.93/x
  3. Step 3: Cross multiply
    10,388.11x = 15,581.94 × 2,596.93
  4. Step 4: Simplify right side
    10,388.11x = 40,465,207.44
  5. Step 5: Solve for x
    x = 40,465,207.44/10,388.11
  6. Step 6: Final answer
    x = 3,895.34

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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.