Home / 8,355.06-11,530.44-4,578.12

Finding the Fourth Proportional to 8,355.06, 11,530.44 and 4,578.12

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Solution

The fourth proportional to 8,355.06, 11,530.44 and 4,578.12 is: 6,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.06 : 11,530.44 = 4,578.12 : x
  2. Step 2: Convert to fraction form
    8,355.06/11,530.44 = 4,578.12/x
  3. Step 3: Cross multiply
    8,355.06x = 11,530.44 × 4,578.12
  4. Step 4: Simplify right side
    8,355.06x = 52,787,737.97
  5. Step 5: Solve for x
    x = 52,787,737.97/8,355.06
  6. Step 6: Final answer
    x = 6,318.06

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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.