Home / 10,883.78-16,330.80-5,342.30

Finding the Fourth Proportional to 10,883.78, 16,330.80 and 5,342.30

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Solution

The fourth proportional to 10,883.78, 16,330.80 and 5,342.30 is: 8,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.78 : 16,330.80 = 5,342.30 : x
  2. Step 2: Convert to fraction form
    10,883.78/16,330.80 = 5,342.30/x
  3. Step 3: Cross multiply
    10,883.78x = 16,330.80 × 5,342.30
  4. Step 4: Simplify right side
    10,883.78x = 87,244,032.84
  5. Step 5: Solve for x
    x = 87,244,032.84/10,883.78
  6. Step 6: Final answer
    x = 8,015.97

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1.5x scale

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.