Home / 10,351.80-15,522.02-4,111.56

Finding the Fourth Proportional to 10,351.80, 15,522.02 and 4,111.56

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Solution

The fourth proportional to 10,351.80, 15,522.02 and 4,111.56 is: 6,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.80 : 15,522.02 = 4,111.56 : x
  2. Step 2: Convert to fraction form
    10,351.80/15,522.02 = 4,111.56/x
  3. Step 3: Cross multiply
    10,351.80x = 15,522.02 × 4,111.56
  4. Step 4: Simplify right side
    10,351.80x = 63,819,716.55
  5. Step 5: Solve for x
    x = 63,819,716.55/10,351.80
  6. Step 6: Final answer
    x = 6,165.08

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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.