Home / 8,045.75-11,092.86-5,208.12

Finding the Fourth Proportional to 8,045.75, 11,092.86 and 5,208.12

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Solution

The fourth proportional to 8,045.75, 11,092.86 and 5,208.12 is: 7,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.75 : 11,092.86 = 5,208.12 : x
  2. Step 2: Convert to fraction form
    8,045.75/11,092.86 = 5,208.12/x
  3. Step 3: Cross multiply
    8,045.75x = 11,092.86 × 5,208.12
  4. Step 4: Simplify right side
    8,045.75x = 57,772,946.02
  5. Step 5: Solve for x
    x = 57,772,946.02/8,045.75
  6. Step 6: Final answer
    x = 7,180.56

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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.