Home / 10,408.80-14,363.52-5,931.92

Finding the Fourth Proportional to 10,408.80, 14,363.52 and 5,931.92

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Solution

The fourth proportional to 10,408.80, 14,363.52 and 5,931.92 is: 8,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.80 : 14,363.52 = 5,931.92 : x
  2. Step 2: Convert to fraction form
    10,408.80/14,363.52 = 5,931.92/x
  3. Step 3: Cross multiply
    10,408.80x = 14,363.52 × 5,931.92
  4. Step 4: Simplify right side
    10,408.80x = 85,203,251.56
  5. Step 5: Solve for x
    x = 85,203,251.56/10,408.80
  6. Step 6: Final answer
    x = 8,185.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.