Home / 10,183.12-15,263.72-6,662.04

Finding the Fourth Proportional to 10,183.12, 15,263.72 and 6,662.04

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Solution

The fourth proportional to 10,183.12, 15,263.72 and 6,662.04 is: 9,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.12 : 15,263.72 = 6,662.04 : x
  2. Step 2: Convert to fraction form
    10,183.12/15,263.72 = 6,662.04/x
  3. Step 3: Cross multiply
    10,183.12x = 15,263.72 × 6,662.04
  4. Step 4: Simplify right side
    10,183.12x = 101,687,513.19
  5. Step 5: Solve for x
    x = 101,687,513.19/10,183.12
  6. Step 6: Final answer
    x = 9,985.89

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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.