Home / 7,784.05-11,672.56-2,236.14

Finding the Fourth Proportional to 7,784.05, 11,672.56 and 2,236.14

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Solution

The fourth proportional to 7,784.05, 11,672.56 and 2,236.14 is: 3,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.05 : 11,672.56 = 2,236.14 : x
  2. Step 2: Convert to fraction form
    7,784.05/11,672.56 = 2,236.14/x
  3. Step 3: Cross multiply
    7,784.05x = 11,672.56 × 2,236.14
  4. Step 4: Simplify right side
    7,784.05x = 26,101,478.32
  5. Step 5: Solve for x
    x = 26,101,478.32/7,784.05
  6. Step 6: Final answer
    x = 3,353.20

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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.