Home / 8,856.46-12,228.74-5,876.47

Finding the Fourth Proportional to 8,856.46, 12,228.74 and 5,876.47

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Solution

The fourth proportional to 8,856.46, 12,228.74 and 5,876.47 is: 8,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.46 : 12,228.74 = 5,876.47 : x
  2. Step 2: Convert to fraction form
    8,856.46/12,228.74 = 5,876.47/x
  3. Step 3: Cross multiply
    8,856.46x = 12,228.74 × 5,876.47
  4. Step 4: Simplify right side
    8,856.46x = 71,861,794.37
  5. Step 5: Solve for x
    x = 71,861,794.37/8,856.46
  6. Step 6: Final answer
    x = 8,114.05

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Half 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.