Home / 6,515.92-8,994.27-3,863.35

Finding the Fourth Proportional to 6,515.92, 8,994.27 and 3,863.35

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Solution

The fourth proportional to 6,515.92, 8,994.27 and 3,863.35 is: 5,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.92 : 8,994.27 = 3,863.35 : x
  2. Step 2: Convert to fraction form
    6,515.92/8,994.27 = 3,863.35/x
  3. Step 3: Cross multiply
    6,515.92x = 8,994.27 × 3,863.35
  4. Step 4: Simplify right side
    6,515.92x = 34,748,013.00
  5. Step 5: Solve for x
    x = 34,748,013.00/6,515.92
  6. Step 6: Final answer
    x = 5,332.79

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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.