Home / 11,902.52-16,423.62-6,866.94

Finding the Fourth Proportional to 11,902.52, 16,423.62 and 6,866.94

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Solution

The fourth proportional to 11,902.52, 16,423.62 and 6,866.94 is: 9,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,902.52 : 16,423.62 = 6,866.94 : x
  2. Step 2: Convert to fraction form
    11,902.52/16,423.62 = 6,866.94/x
  3. Step 3: Cross multiply
    11,902.52x = 16,423.62 × 6,866.94
  4. Step 4: Simplify right side
    11,902.52x = 112,780,013.12
  5. Step 5: Solve for x
    x = 112,780,013.12/11,902.52
  6. Step 6: Final answer
    x = 9,475.31

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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.