Home / 8,956.36-12,358.85-5,599.54

Finding the Fourth Proportional to 8,956.36, 12,358.85 and 5,599.54

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Solution

The fourth proportional to 8,956.36, 12,358.85 and 5,599.54 is: 7,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.36 : 12,358.85 = 5,599.54 : x
  2. Step 2: Convert to fraction form
    8,956.36/12,358.85 = 5,599.54/x
  3. Step 3: Cross multiply
    8,956.36x = 12,358.85 × 5,599.54
  4. Step 4: Simplify right side
    8,956.36x = 69,203,816.03
  5. Step 5: Solve for x
    x = 69,203,816.03/8,956.36
  6. Step 6: Final answer
    x = 7,726.78

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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.