Home / 10,983.36-15,157.68-6,269.16

Finding the Fourth Proportional to 10,983.36, 15,157.68 and 6,269.16

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Solution

The fourth proportional to 10,983.36, 15,157.68 and 6,269.16 is: 8,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.36 : 15,157.68 = 6,269.16 : x
  2. Step 2: Convert to fraction form
    10,983.36/15,157.68 = 6,269.16/x
  3. Step 3: Cross multiply
    10,983.36x = 15,157.68 × 6,269.16
  4. Step 4: Simplify right side
    10,983.36x = 95,025,921.15
  5. Step 5: Solve for x
    x = 95,025,921.15/10,983.36
  6. Step 6: Final answer
    x = 8,651.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.