Home / 8,315.62-11,473.07-5,326.25

Finding the Fourth Proportional to 8,315.62, 11,473.07 and 5,326.25

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Solution

The fourth proportional to 8,315.62, 11,473.07 and 5,326.25 is: 7,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.62 : 11,473.07 = 5,326.25 : x
  2. Step 2: Convert to fraction form
    8,315.62/11,473.07 = 5,326.25/x
  3. Step 3: Cross multiply
    8,315.62x = 11,473.07 × 5,326.25
  4. Step 4: Simplify right side
    8,315.62x = 61,108,355.09
  5. Step 5: Solve for x
    x = 61,108,355.09/8,315.62
  6. Step 6: Final answer
    x = 7,348.63

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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.