Home / 11,297.78-15,591.87-6,263.58

Finding the Fourth Proportional to 11,297.78, 15,591.87 and 6,263.58

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Solution

The fourth proportional to 11,297.78, 15,591.87 and 6,263.58 is: 8,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.78 : 15,591.87 = 6,263.58 : x
  2. Step 2: Convert to fraction form
    11,297.78/15,591.87 = 6,263.58/x
  3. Step 3: Cross multiply
    11,297.78x = 15,591.87 × 6,263.58
  4. Step 4: Simplify right side
    11,297.78x = 97,660,897.78
  5. Step 5: Solve for x
    x = 97,660,897.78/11,297.78
  6. Step 6: Final answer
    x = 8,644.26

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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.