Home / 11,808.38-16,295.56-6,503.18

Finding the Fourth Proportional to 11,808.38, 16,295.56 and 6,503.18

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Solution

The fourth proportional to 11,808.38, 16,295.56 and 6,503.18 is: 8,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.38 : 16,295.56 = 6,503.18 : x
  2. Step 2: Convert to fraction form
    11,808.38/16,295.56 = 6,503.18/x
  3. Step 3: Cross multiply
    11,808.38x = 16,295.56 × 6,503.18
  4. Step 4: Simplify right side
    11,808.38x = 105,972,984.36
  5. Step 5: Solve for x
    x = 105,972,984.36/11,808.38
  6. Step 6: Final answer
    x = 8,974.39

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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.