Home / 8,322.36-11,482.09-5,491.14

Finding the Fourth Proportional to 8,322.36, 11,482.09 and 5,491.14

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Solution

The fourth proportional to 8,322.36, 11,482.09 and 5,491.14 is: 7,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.36 : 11,482.09 = 5,491.14 : x
  2. Step 2: Convert to fraction form
    8,322.36/11,482.09 = 5,491.14/x
  3. Step 3: Cross multiply
    8,322.36x = 11,482.09 × 5,491.14
  4. Step 4: Simplify right side
    8,322.36x = 63,049,763.68
  5. Step 5: Solve for x
    x = 63,049,763.68/8,322.36
  6. Step 6: Final answer
    x = 7,575.95

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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.