Home / 8,928.46-12,320.82-4,895.26

Finding the Fourth Proportional to 8,928.46, 12,320.82 and 4,895.26

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Solution

The fourth proportional to 8,928.46, 12,320.82 and 4,895.26 is: 6,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.46 : 12,320.82 = 4,895.26 : x
  2. Step 2: Convert to fraction form
    8,928.46/12,320.82 = 4,895.26/x
  3. Step 3: Cross multiply
    8,928.46x = 12,320.82 × 4,895.26
  4. Step 4: Simplify right side
    8,928.46x = 60,313,617.31
  5. Step 5: Solve for x
    x = 60,313,617.31/8,928.46
  6. Step 6: Final answer
    x = 6,755.21

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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.