Home / 10,122.30-15,183.45-9,506.70

Finding the Fourth Proportional to 10,122.30, 15,183.45 and 9,506.70

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Solution

The fourth proportional to 10,122.30, 15,183.45 and 9,506.70 is: 14,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.30 : 15,183.45 = 9,506.70 : x
  2. Step 2: Convert to fraction form
    10,122.30/15,183.45 = 9,506.70/x
  3. Step 3: Cross multiply
    10,122.30x = 15,183.45 × 9,506.70
  4. Step 4: Simplify right side
    10,122.30x = 144,344,504.12
  5. Step 5: Solve for x
    x = 144,344,504.12/10,122.30
  6. Step 6: Final answer
    x = 14,260.05

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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.