Home / 8,578.46-11,838.25-5,043.70

Finding the Fourth Proportional to 8,578.46, 11,838.25 and 5,043.70

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Solution

The fourth proportional to 8,578.46, 11,838.25 and 5,043.70 is: 6,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.46 : 11,838.25 = 5,043.70 : x
  2. Step 2: Convert to fraction form
    8,578.46/11,838.25 = 5,043.70/x
  3. Step 3: Cross multiply
    8,578.46x = 11,838.25 × 5,043.70
  4. Step 4: Simplify right side
    8,578.46x = 59,708,581.53
  5. Step 5: Solve for x
    x = 59,708,581.53/8,578.46
  6. Step 6: Final answer
    x = 6,960.29

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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.