Home / 10,902.36-16,353.54-3,112.32

Finding the Fourth Proportional to 10,902.36, 16,353.54 and 3,112.32

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Solution

The fourth proportional to 10,902.36, 16,353.54 and 3,112.32 is: 4,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.36 : 16,353.54 = 3,112.32 : x
  2. Step 2: Convert to fraction form
    10,902.36/16,353.54 = 3,112.32/x
  3. Step 3: Cross multiply
    10,902.36x = 16,353.54 × 3,112.32
  4. Step 4: Simplify right side
    10,902.36x = 50,897,449.61
  5. Step 5: Solve for x
    x = 50,897,449.61/10,902.36
  6. Step 6: Final answer
    x = 4,668.48

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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.