Home / 8,360.75-11,539.01-5,175.08

Finding the Fourth Proportional to 8,360.75, 11,539.01 and 5,175.08

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Solution

The fourth proportional to 8,360.75, 11,539.01 and 5,175.08 is: 7,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.75 : 11,539.01 = 5,175.08 : x
  2. Step 2: Convert to fraction form
    8,360.75/11,539.01 = 5,175.08/x
  3. Step 3: Cross multiply
    8,360.75x = 11,539.01 × 5,175.08
  4. Step 4: Simplify right side
    8,360.75x = 59,715,216.30
  5. Step 5: Solve for x
    x = 59,715,216.30/8,360.75
  6. Step 6: Final answer
    x = 7,142.33

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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.