Home / 8,097.91-11,175.16-5,115.08

Finding the Fourth Proportional to 8,097.91, 11,175.16 and 5,115.08

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Solution

The fourth proportional to 8,097.91, 11,175.16 and 5,115.08 is: 7,058.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,097.91 : 11,175.16 = 5,115.08 : x
  2. Step 2: Convert to fraction form
    8,097.91/11,175.16 = 5,115.08/x
  3. Step 3: Cross multiply
    8,097.91x = 11,175.16 × 5,115.08
  4. Step 4: Simplify right side
    8,097.91x = 57,161,837.41
  5. Step 5: Solve for x
    x = 57,161,837.41/8,097.91
  6. Step 6: Final answer
    x = 7,058.84

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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.