Home / 10,049.64-13,869.38-5,857.80

Finding the Fourth Proportional to 10,049.64, 13,869.38 and 5,857.80

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Solution

The fourth proportional to 10,049.64, 13,869.38 and 5,857.80 is: 8,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,049.64 : 13,869.38 = 5,857.80 : x
  2. Step 2: Convert to fraction form
    10,049.64/13,869.38 = 5,857.80/x
  3. Step 3: Cross multiply
    10,049.64x = 13,869.38 × 5,857.80
  4. Step 4: Simplify right side
    10,049.64x = 81,244,054.16
  5. Step 5: Solve for x
    x = 81,244,054.16/10,049.64
  6. Step 6: Final answer
    x = 8,084.28

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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.