Home / 9,717.44-14,571.12-3,142.76

Finding the Fourth Proportional to 9,717.44, 14,571.12 and 3,142.76

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Solution

The fourth proportional to 9,717.44, 14,571.12 and 3,142.76 is: 4,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.44 : 14,571.12 = 3,142.76 : x
  2. Step 2: Convert to fraction form
    9,717.44/14,571.12 = 3,142.76/x
  3. Step 3: Cross multiply
    9,717.44x = 14,571.12 × 3,142.76
  4. Step 4: Simplify right side
    9,717.44x = 45,793,533.09
  5. Step 5: Solve for x
    x = 45,793,533.09/9,717.44
  6. Step 6: Final answer
    x = 4,712.51

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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.