Home / 8,258.49-11,397.31-4,721.83

Finding the Fourth Proportional to 8,258.49, 11,397.31 and 4,721.83

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Solution

The fourth proportional to 8,258.49, 11,397.31 and 4,721.83 is: 6,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.49 : 11,397.31 = 4,721.83 : x
  2. Step 2: Convert to fraction form
    8,258.49/11,397.31 = 4,721.83/x
  3. Step 3: Cross multiply
    8,258.49x = 11,397.31 × 4,721.83
  4. Step 4: Simplify right side
    8,258.49x = 53,816,119.98
  5. Step 5: Solve for x
    x = 53,816,119.98/8,258.49
  6. Step 6: Final answer
    x = 6,516.46

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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.