Home / 10,998.40-16,497.62-2,678.37

Finding the Fourth Proportional to 10,998.40, 16,497.62 and 2,678.37

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Solution

The fourth proportional to 10,998.40, 16,497.62 and 2,678.37 is: 4,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.40 : 16,497.62 = 2,678.37 : x
  2. Step 2: Convert to fraction form
    10,998.40/16,497.62 = 2,678.37/x
  3. Step 3: Cross multiply
    10,998.40x = 16,497.62 × 2,678.37
  4. Step 4: Simplify right side
    10,998.40x = 44,186,634.60
  5. Step 5: Solve for x
    x = 44,186,634.60/10,998.40
  6. Step 6: Final answer
    x = 4,017.55

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Double scale
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Similar ratio
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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.