Home / 12,233.15-18,342.30-6,678.77

Finding the Fourth Proportional to 12,233.15, 18,342.30 and 6,678.77

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Solution

The fourth proportional to 12,233.15, 18,342.30 and 6,678.77 is: 10,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.15 : 18,342.30 = 6,678.77 : x
  2. Step 2: Convert to fraction form
    12,233.15/18,342.30 = 6,678.77/x
  3. Step 3: Cross multiply
    12,233.15x = 18,342.30 × 6,678.77
  4. Step 4: Simplify right side
    12,233.15x = 122,503,911.26
  5. Step 5: Solve for x
    x = 122,503,911.26/12,233.15
  6. Step 6: Final answer
    x = 10,014.10

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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.