Home / 12,394.36-18,603.69-9,098.11

Finding the Fourth Proportional to 12,394.36, 18,603.69 and 9,098.11

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Solution

The fourth proportional to 12,394.36, 18,603.69 and 9,098.11 is: 13,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.36 : 18,603.69 = 9,098.11 : x
  2. Step 2: Convert to fraction form
    12,394.36/18,603.69 = 9,098.11/x
  3. Step 3: Cross multiply
    12,394.36x = 18,603.69 × 9,098.11
  4. Step 4: Simplify right side
    12,394.36x = 169,258,418.03
  5. Step 5: Solve for x
    x = 169,258,418.03/12,394.36
  6. Step 6: Final answer
    x = 13,656.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.