Home / 8,858.92-12,225.39-4,880.15

Finding the Fourth Proportional to 8,858.92, 12,225.39 and 4,880.15

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Solution

The fourth proportional to 8,858.92, 12,225.39 and 4,880.15 is: 6,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.92 : 12,225.39 = 4,880.15 : x
  2. Step 2: Convert to fraction form
    8,858.92/12,225.39 = 4,880.15/x
  3. Step 3: Cross multiply
    8,858.92x = 12,225.39 × 4,880.15
  4. Step 4: Simplify right side
    8,858.92x = 59,661,737.01
  5. Step 5: Solve for x
    x = 59,661,737.01/8,858.92
  6. Step 6: Final answer
    x = 6,734.65

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Double scale
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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.