Home / 12,398.10-17,109.45-7,093.14

Finding the Fourth Proportional to 12,398.10, 17,109.45 and 7,093.14

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Solution

The fourth proportional to 12,398.10, 17,109.45 and 7,093.14 is: 9,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398.10 : 17,109.45 = 7,093.14 : x
  2. Step 2: Convert to fraction form
    12,398.10/17,109.45 = 7,093.14/x
  3. Step 3: Cross multiply
    12,398.10x = 17,109.45 × 7,093.14
  4. Step 4: Simplify right side
    12,398.10x = 121,359,724.17
  5. Step 5: Solve for x
    x = 121,359,724.17/12,398.10
  6. Step 6: Final answer
    x = 9,788.57

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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.