Home / 13,082.36-18,047.94-8,600.36

Finding the Fourth Proportional to 13,082.36, 18,047.94 and 8,600.36

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Solution

The fourth proportional to 13,082.36, 18,047.94 and 8,600.36 is: 11,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.36 : 18,047.94 = 8,600.36 : x
  2. Step 2: Convert to fraction form
    13,082.36/18,047.94 = 8,600.36/x
  3. Step 3: Cross multiply
    13,082.36x = 18,047.94 × 8,600.36
  4. Step 4: Simplify right side
    13,082.36x = 155,218,781.26
  5. Step 5: Solve for x
    x = 155,218,781.26/13,082.36
  6. Step 6: Final answer
    x = 11,864.74

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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.