Home / 8,308.78-11,466.75-4,773.13

Finding the Fourth Proportional to 8,308.78, 11,466.75 and 4,773.13

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Solution

The fourth proportional to 8,308.78, 11,466.75 and 4,773.13 is: 6,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.78 : 11,466.75 = 4,773.13 : x
  2. Step 2: Convert to fraction form
    8,308.78/11,466.75 = 4,773.13/x
  3. Step 3: Cross multiply
    8,308.78x = 11,466.75 × 4,773.13
  4. Step 4: Simplify right side
    8,308.78x = 54,732,288.43
  5. Step 5: Solve for x
    x = 54,732,288.43/8,308.78
  6. Step 6: Final answer
    x = 6,587.28

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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.