Home / 8,173.84-11,279.57-4,816.79

Finding the Fourth Proportional to 8,173.84, 11,279.57 and 4,816.79

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Solution

The fourth proportional to 8,173.84, 11,279.57 and 4,816.79 is: 6,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.84 : 11,279.57 = 4,816.79 : x
  2. Step 2: Convert to fraction form
    8,173.84/11,279.57 = 4,816.79/x
  3. Step 3: Cross multiply
    8,173.84x = 11,279.57 × 4,816.79
  4. Step 4: Simplify right side
    8,173.84x = 54,331,320.29
  5. Step 5: Solve for x
    x = 54,331,320.29/8,173.84
  6. Step 6: Final answer
    x = 6,646.98

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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.