Home / 8,476.26-11,689.84-6,356.55

Finding the Fourth Proportional to 8,476.26, 11,689.84 and 6,356.55

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Solution

The fourth proportional to 8,476.26, 11,689.84 and 6,356.55 is: 8,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.26 : 11,689.84 = 6,356.55 : x
  2. Step 2: Convert to fraction form
    8,476.26/11,689.84 = 6,356.55/x
  3. Step 3: Cross multiply
    8,476.26x = 11,689.84 × 6,356.55
  4. Step 4: Simplify right side
    8,476.26x = 74,307,052.45
  5. Step 5: Solve for x
    x = 74,307,052.45/8,476.26
  6. Step 6: Final answer
    x = 8,766.49

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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.