Home / 8,963.76-13,439.82-4,284.60

Finding the Fourth Proportional to 8,963.76, 13,439.82 and 4,284.60

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Solution

The fourth proportional to 8,963.76, 13,439.82 and 4,284.60 is: 6,424.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.76 : 13,439.82 = 4,284.60 : x
  2. Step 2: Convert to fraction form
    8,963.76/13,439.82 = 4,284.60/x
  3. Step 3: Cross multiply
    8,963.76x = 13,439.82 × 4,284.60
  4. Step 4: Simplify right side
    8,963.76x = 57,584,252.77
  5. Step 5: Solve for x
    x = 57,584,252.77/8,963.76
  6. Step 6: Final answer
    x = 6,424.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.