Home / 12,302.36-18,466.10-9,005.66

Finding the Fourth Proportional to 12,302.36, 18,466.10 and 9,005.66

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Solution

The fourth proportional to 12,302.36, 18,466.10 and 9,005.66 is: 13,517.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.36 : 18,466.10 = 9,005.66 : x
  2. Step 2: Convert to fraction form
    12,302.36/18,466.10 = 9,005.66/x
  3. Step 3: Cross multiply
    12,302.36x = 18,466.10 × 9,005.66
  4. Step 4: Simplify right side
    12,302.36x = 166,299,418.13
  5. Step 5: Solve for x
    x = 166,299,418.13/12,302.36
  6. Step 6: Final answer
    x = 13,517.68

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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.