Home / 10,873.20-16,325.10-5,611.80

Finding the Fourth Proportional to 10,873.20, 16,325.10 and 5,611.80

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Solution

The fourth proportional to 10,873.20, 16,325.10 and 5,611.80 is: 8,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.20 : 16,325.10 = 5,611.80 : x
  2. Step 2: Convert to fraction form
    10,873.20/16,325.10 = 5,611.80/x
  3. Step 3: Cross multiply
    10,873.20x = 16,325.10 × 5,611.80
  4. Step 4: Simplify right side
    10,873.20x = 91,613,196.18
  5. Step 5: Solve for x
    x = 91,613,196.18/10,873.20
  6. Step 6: Final answer
    x = 8,425.60

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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.