Home / 9,334.55-12,885.80-6,149.49

Finding the Fourth Proportional to 9,334.55, 12,885.80 and 6,149.49

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Solution

The fourth proportional to 9,334.55, 12,885.80 and 6,149.49 is: 8,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.55 : 12,885.80 = 6,149.49 : x
  2. Step 2: Convert to fraction form
    9,334.55/12,885.80 = 6,149.49/x
  3. Step 3: Cross multiply
    9,334.55x = 12,885.80 × 6,149.49
  4. Step 4: Simplify right side
    9,334.55x = 79,241,067.49
  5. Step 5: Solve for x
    x = 79,241,067.49/9,334.55
  6. Step 6: Final answer
    x = 8,489.01

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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.