Home / 12,552.52-17,322.62-6,887.28

Finding the Fourth Proportional to 12,552.52, 17,322.62 and 6,887.28

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Solution

The fourth proportional to 12,552.52, 17,322.62 and 6,887.28 is: 9,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.52 : 17,322.62 = 6,887.28 : x
  2. Step 2: Convert to fraction form
    12,552.52/17,322.62 = 6,887.28/x
  3. Step 3: Cross multiply
    12,552.52x = 17,322.62 × 6,887.28
  4. Step 4: Simplify right side
    12,552.52x = 119,305,734.27
  5. Step 5: Solve for x
    x = 119,305,734.27/12,552.52
  6. Step 6: Final answer
    x = 9,504.52

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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.