Home / 8,948.87-13,418.73-5,258.30

Finding the Fourth Proportional to 8,948.87, 13,418.73 and 5,258.30

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Solution

The fourth proportional to 8,948.87, 13,418.73 and 5,258.30 is: 7,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.87 : 13,418.73 = 5,258.30 : x
  2. Step 2: Convert to fraction form
    8,948.87/13,418.73 = 5,258.30/x
  3. Step 3: Cross multiply
    8,948.87x = 13,418.73 × 5,258.30
  4. Step 4: Simplify right side
    8,948.87x = 70,559,707.96
  5. Step 5: Solve for x
    x = 70,559,707.96/8,948.87
  6. Step 6: Final answer
    x = 7,884.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.