Home / 10,958.80-16,438.20-6,523.60

Finding the Fourth Proportional to 10,958.80, 16,438.20 and 6,523.60

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Solution

The fourth proportional to 10,958.80, 16,438.20 and 6,523.60 is: 9,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.80 : 16,438.20 = 6,523.60 : x
  2. Step 2: Convert to fraction form
    10,958.80/16,438.20 = 6,523.60/x
  3. Step 3: Cross multiply
    10,958.80x = 16,438.20 × 6,523.60
  4. Step 4: Simplify right side
    10,958.80x = 107,236,241.52
  5. Step 5: Solve for x
    x = 107,236,241.52/10,958.80
  6. Step 6: Final answer
    x = 9,785.40

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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.