Home / 8,476.19-12,718.71-6,155.37

Finding the Fourth Proportional to 8,476.19, 12,718.71 and 6,155.37

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Solution

The fourth proportional to 8,476.19, 12,718.71 and 6,155.37 is: 9,236.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.19 : 12,718.71 = 6,155.37 : x
  2. Step 2: Convert to fraction form
    8,476.19/12,718.71 = 6,155.37/x
  3. Step 3: Cross multiply
    8,476.19x = 12,718.71 × 6,155.37
  4. Step 4: Simplify right side
    8,476.19x = 78,288,365.97
  5. Step 5: Solve for x
    x = 78,288,365.97/8,476.19
  6. Step 6: Final answer
    x = 9,236.27

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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.