Home / 8,764.31-12,094.74-4,785.42

Finding the Fourth Proportional to 8,764.31, 12,094.74 and 4,785.42

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Solution

The fourth proportional to 8,764.31, 12,094.74 and 4,785.42 is: 6,603.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.31 : 12,094.74 = 4,785.42 : x
  2. Step 2: Convert to fraction form
    8,764.31/12,094.74 = 4,785.42/x
  3. Step 3: Cross multiply
    8,764.31x = 12,094.74 × 4,785.42
  4. Step 4: Simplify right side
    8,764.31x = 57,878,456.05
  5. Step 5: Solve for x
    x = 57,878,456.05/8,764.31
  6. Step 6: Final answer
    x = 6,603.88

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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.