Home / 7,486.02-11,221.70-6,377.94

Finding the Fourth Proportional to 7,486.02, 11,221.70 and 6,377.94

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Solution

The fourth proportional to 7,486.02, 11,221.70 and 6,377.94 is: 9,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.02 : 11,221.70 = 6,377.94 : x
  2. Step 2: Convert to fraction form
    7,486.02/11,221.70 = 6,377.94/x
  3. Step 3: Cross multiply
    7,486.02x = 11,221.70 × 6,377.94
  4. Step 4: Simplify right side
    7,486.02x = 71,571,297.41
  5. Step 5: Solve for x
    x = 71,571,297.41/7,486.02
  6. Step 6: Final answer
    x = 9,560.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.