Home / 12,007.70-16,571.56-6,631.18

Finding the Fourth Proportional to 12,007.70, 16,571.56 and 6,631.18

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Solution

The fourth proportional to 12,007.70, 16,571.56 and 6,631.18 is: 9,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.70 : 16,571.56 = 6,631.18 : x
  2. Step 2: Convert to fraction form
    12,007.70/16,571.56 = 6,631.18/x
  3. Step 3: Cross multiply
    12,007.70x = 16,571.56 × 6,631.18
  4. Step 4: Simplify right side
    12,007.70x = 109,888,997.24
  5. Step 5: Solve for x
    x = 109,888,997.24/12,007.70
  6. Step 6: Final answer
    x = 9,151.54

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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.