Home / 8,375.35-11,557.55-4,972.51

Finding the Fourth Proportional to 8,375.35, 11,557.55 and 4,972.51

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Solution

The fourth proportional to 8,375.35, 11,557.55 and 4,972.51 is: 6,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.35 : 11,557.55 = 4,972.51 : x
  2. Step 2: Convert to fraction form
    8,375.35/11,557.55 = 4,972.51/x
  3. Step 3: Cross multiply
    8,375.35x = 11,557.55 × 4,972.51
  4. Step 4: Simplify right side
    8,375.35x = 57,469,994.82
  5. Step 5: Solve for x
    x = 57,469,994.82/8,375.35
  6. Step 6: Final answer
    x = 6,861.80

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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.