Home / 10,750.32-16,135.20-5,559.84

Finding the Fourth Proportional to 10,750.32, 16,135.20 and 5,559.84

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Solution

The fourth proportional to 10,750.32, 16,135.20 and 5,559.84 is: 8,344.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.32 : 16,135.20 = 5,559.84 : x
  2. Step 2: Convert to fraction form
    10,750.32/16,135.20 = 5,559.84/x
  3. Step 3: Cross multiply
    10,750.32x = 16,135.20 × 5,559.84
  4. Step 4: Simplify right side
    10,750.32x = 89,709,130.37
  5. Step 5: Solve for x
    x = 89,709,130.37/10,750.32
  6. Step 6: Final answer
    x = 8,344.79

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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.