Home / 12,235.22-18,328.12-8,064.93

Finding the Fourth Proportional to 12,235.22, 18,328.12 and 8,064.93

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Solution

The fourth proportional to 12,235.22, 18,328.12 and 8,064.93 is: 12,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.22 : 18,328.12 = 8,064.93 : x
  2. Step 2: Convert to fraction form
    12,235.22/18,328.12 = 8,064.93/x
  3. Step 3: Cross multiply
    12,235.22x = 18,328.12 × 8,064.93
  4. Step 4: Simplify right side
    12,235.22x = 147,815,004.83
  5. Step 5: Solve for x
    x = 147,815,004.83/12,235.22
  6. Step 6: Final answer
    x = 12,081.11

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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.