Home / 8,258.52-11,396.79-4,721.76

Finding the Fourth Proportional to 8,258.52, 11,396.79 and 4,721.76

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Solution

The fourth proportional to 8,258.52, 11,396.79 and 4,721.76 is: 6,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.52 : 11,396.79 = 4,721.76 : x
  2. Step 2: Convert to fraction form
    8,258.52/11,396.79 = 4,721.76/x
  3. Step 3: Cross multiply
    8,258.52x = 11,396.79 × 4,721.76
  4. Step 4: Simplify right side
    8,258.52x = 53,812,907.15
  5. Step 5: Solve for x
    x = 53,812,907.15/8,258.52
  6. Step 6: Final answer
    x = 6,516.05

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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.