Home / 8,258.94-11,397.68-4,722.15

Finding the Fourth Proportional to 8,258.94, 11,397.68 and 4,722.15

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Solution

The fourth proportional to 8,258.94, 11,397.68 and 4,722.15 is: 6,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.94 : 11,397.68 = 4,722.15 : x
  2. Step 2: Convert to fraction form
    8,258.94/11,397.68 = 4,722.15/x
  3. Step 3: Cross multiply
    8,258.94x = 11,397.68 × 4,722.15
  4. Step 4: Simplify right side
    8,258.94x = 53,821,474.01
  5. Step 5: Solve for x
    x = 53,821,474.01/8,258.94
  6. Step 6: Final answer
    x = 6,516.76

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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.