Home / 8,809.33-12,153.48-5,622.74

Finding the Fourth Proportional to 8,809.33, 12,153.48 and 5,622.74

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Solution

The fourth proportional to 8,809.33, 12,153.48 and 5,622.74 is: 7,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.33 : 12,153.48 = 5,622.74 : x
  2. Step 2: Convert to fraction form
    8,809.33/12,153.48 = 5,622.74/x
  3. Step 3: Cross multiply
    8,809.33x = 12,153.48 × 5,622.74
  4. Step 4: Simplify right side
    8,809.33x = 68,335,797.37
  5. Step 5: Solve for x
    x = 68,335,797.37/8,809.33
  6. Step 6: Final answer
    x = 7,757.21

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Half scale
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Double scale
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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.