Home / 10,112.75-13,955.29-5,863.69

Finding the Fourth Proportional to 10,112.75, 13,955.29 and 5,863.69

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Solution

The fourth proportional to 10,112.75, 13,955.29 and 5,863.69 is: 8,091.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.75 : 13,955.29 = 5,863.69 : x
  2. Step 2: Convert to fraction form
    10,112.75/13,955.29 = 5,863.69/x
  3. Step 3: Cross multiply
    10,112.75x = 13,955.29 × 5,863.69
  4. Step 4: Simplify right side
    10,112.75x = 81,829,497.20
  5. Step 5: Solve for x
    x = 81,829,497.20/10,112.75
  6. Step 6: Final answer
    x = 8,091.72

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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.