Home / 12,252.75-16,909.16-6,664.11

Finding the Fourth Proportional to 12,252.75, 16,909.16 and 6,664.11

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Solution

The fourth proportional to 12,252.75, 16,909.16 and 6,664.11 is: 9,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.75 : 16,909.16 = 6,664.11 : x
  2. Step 2: Convert to fraction form
    12,252.75/16,909.16 = 6,664.11/x
  3. Step 3: Cross multiply
    12,252.75x = 16,909.16 × 6,664.11
  4. Step 4: Simplify right side
    12,252.75x = 112,684,468.93
  5. Step 5: Solve for x
    x = 112,684,468.93/12,252.75
  6. Step 6: Final answer
    x = 9,196.67

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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.