Home / 11,808.28-16,295.43-7,092.55

Finding the Fourth Proportional to 11,808.28, 16,295.43 and 7,092.55

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Solution

The fourth proportional to 11,808.28, 16,295.43 and 7,092.55 is: 9,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.28 : 16,295.43 = 7,092.55 : x
  2. Step 2: Convert to fraction form
    11,808.28/16,295.43 = 7,092.55/x
  3. Step 3: Cross multiply
    11,808.28x = 16,295.43 × 7,092.55
  4. Step 4: Simplify right side
    11,808.28x = 115,576,152.05
  5. Step 5: Solve for x
    x = 115,576,152.05/11,808.28
  6. Step 6: Final answer
    x = 9,787.72

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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.