Home / 10,103.12-15,158.46-4,554.80

Finding the Fourth Proportional to 10,103.12, 15,158.46 and 4,554.80

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Solution

The fourth proportional to 10,103.12, 15,158.46 and 4,554.80 is: 6,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.12 : 15,158.46 = 4,554.80 : x
  2. Step 2: Convert to fraction form
    10,103.12/15,158.46 = 4,554.80/x
  3. Step 3: Cross multiply
    10,103.12x = 15,158.46 × 4,554.80
  4. Step 4: Simplify right side
    10,103.12x = 69,043,753.61
  5. Step 5: Solve for x
    x = 69,043,753.61/10,103.12
  6. Step 6: Final answer
    x = 6,833.90

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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.