Home / 12,398.24-17,108.88-7,093.28

Finding the Fourth Proportional to 12,398.24, 17,108.88 and 7,093.28

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Solution

The fourth proportional to 12,398.24, 17,108.88 and 7,093.28 is: 9,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398.24 : 17,108.88 = 7,093.28 : x
  2. Step 2: Convert to fraction form
    12,398.24/17,108.88 = 7,093.28/x
  3. Step 3: Cross multiply
    12,398.24x = 17,108.88 × 7,093.28
  4. Step 4: Simplify right side
    12,398.24x = 121,358,076.33
  5. Step 5: Solve for x
    x = 121,358,076.33/12,398.24
  6. Step 6: Final answer
    x = 9,788.33

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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.