Home / 10,959.15-16,438.37-4,383.57

Finding the Fourth Proportional to 10,959.15, 16,438.37 and 4,383.57

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Solution

The fourth proportional to 10,959.15, 16,438.37 and 4,383.57 is: 6,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.15 : 16,438.37 = 4,383.57 : x
  2. Step 2: Convert to fraction form
    10,959.15/16,438.37 = 4,383.57/x
  3. Step 3: Cross multiply
    10,959.15x = 16,438.37 × 4,383.57
  4. Step 4: Simplify right side
    10,959.15x = 72,058,723.66
  5. Step 5: Solve for x
    x = 72,058,723.66/10,959.15
  6. Step 6: Final answer
    x = 6,575.21

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1.5x scale

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.