Home / 11,950.32-16,491.36-6,645.10

Finding the Fourth Proportional to 11,950.32, 16,491.36 and 6,645.10

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Solution

The fourth proportional to 11,950.32, 16,491.36 and 6,645.10 is: 9,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.32 : 16,491.36 = 6,645.10 : x
  2. Step 2: Convert to fraction form
    11,950.32/16,491.36 = 6,645.10/x
  3. Step 3: Cross multiply
    11,950.32x = 16,491.36 × 6,645.10
  4. Step 4: Simplify right side
    11,950.32x = 109,586,736.34
  5. Step 5: Solve for x
    x = 109,586,736.34/11,950.32
  6. Step 6: Final answer
    x = 9,170.19

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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.