Home / 11,873.38-17,809.58-3,108.10

Finding the Fourth Proportional to 11,873.38, 17,809.58 and 3,108.10

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Solution

The fourth proportional to 11,873.38, 17,809.58 and 3,108.10 is: 4,662.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.38 : 17,809.58 = 3,108.10 : x
  2. Step 2: Convert to fraction form
    11,873.38/17,809.58 = 3,108.10/x
  3. Step 3: Cross multiply
    11,873.38x = 17,809.58 × 3,108.10
  4. Step 4: Simplify right side
    11,873.38x = 55,353,955.60
  5. Step 5: Solve for x
    x = 55,353,955.60/11,873.38
  6. Step 6: Final answer
    x = 4,662.02

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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.