Home / 8,258.49-11,389.17-5,424.73

Finding the Fourth Proportional to 8,258.49, 11,389.17 and 5,424.73

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Solution

The fourth proportional to 8,258.49, 11,389.17 and 5,424.73 is: 7,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.49 : 11,389.17 = 5,424.73 : x
  2. Step 2: Convert to fraction form
    8,258.49/11,389.17 = 5,424.73/x
  3. Step 3: Cross multiply
    8,258.49x = 11,389.17 × 5,424.73
  4. Step 4: Simplify right side
    8,258.49x = 61,783,172.17
  5. Step 5: Solve for x
    x = 61,783,172.17/8,258.49
  6. Step 6: Final answer
    x = 7,481.17

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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.