Home / 10,047.87-13,867.38-6,274.89

Finding the Fourth Proportional to 10,047.87, 13,867.38 and 6,274.89

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Solution

The fourth proportional to 10,047.87, 13,867.38 and 6,274.89 is: 8,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.87 : 13,867.38 = 6,274.89 : x
  2. Step 2: Convert to fraction form
    10,047.87/13,867.38 = 6,274.89/x
  3. Step 3: Cross multiply
    10,047.87x = 13,867.38 × 6,274.89
  4. Step 4: Simplify right side
    10,047.87x = 87,016,284.09
  5. Step 5: Solve for x
    x = 87,016,284.09/10,047.87
  6. Step 6: Final answer
    x = 8,660.17

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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.