Home / 10,941.60-16,408.56-3,148.32

Finding the Fourth Proportional to 10,941.60, 16,408.56 and 3,148.32

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Solution

The fourth proportional to 10,941.60, 16,408.56 and 3,148.32 is: 4,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.60 : 16,408.56 = 3,148.32 : x
  2. Step 2: Convert to fraction form
    10,941.60/16,408.56 = 3,148.32/x
  3. Step 3: Cross multiply
    10,941.60x = 16,408.56 × 3,148.32
  4. Step 4: Simplify right side
    10,941.60x = 51,659,397.62
  5. Step 5: Solve for x
    x = 51,659,397.62/10,941.60
  6. Step 6: Final answer
    x = 4,721.38

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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.