Home / 12,627.05-17,424.63-6,961.79

Finding the Fourth Proportional to 12,627.05, 17,424.63 and 6,961.79

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Solution

The fourth proportional to 12,627.05, 17,424.63 and 6,961.79 is: 9,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.05 : 17,424.63 = 6,961.79 : x
  2. Step 2: Convert to fraction form
    12,627.05/17,424.63 = 6,961.79/x
  3. Step 3: Cross multiply
    12,627.05x = 17,424.63 × 6,961.79
  4. Step 4: Simplify right side
    12,627.05x = 121,306,527.76
  5. Step 5: Solve for x
    x = 121,306,527.76/12,627.05
  6. Step 6: Final answer
    x = 9,606.88

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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.