Home / 12,394.14-17,098.98-7,086.18

Finding the Fourth Proportional to 12,394.14, 17,098.98 and 7,086.18

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Solution

The fourth proportional to 12,394.14, 17,098.98 and 7,086.18 is: 9,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.14 : 17,098.98 = 7,086.18 : x
  2. Step 2: Convert to fraction form
    12,394.14/17,098.98 = 7,086.18/x
  3. Step 3: Cross multiply
    12,394.14x = 17,098.98 × 7,086.18
  4. Step 4: Simplify right side
    12,394.14x = 121,166,450.10
  5. Step 5: Solve for x
    x = 121,166,450.10/12,394.14
  6. Step 6: Final answer
    x = 9,776.11

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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.