Home / 11,772.72-16,246.35-6,467.87

Finding the Fourth Proportional to 11,772.72, 16,246.35 and 6,467.87

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Solution

The fourth proportional to 11,772.72, 16,246.35 and 6,467.87 is: 8,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.72 : 16,246.35 = 6,467.87 : x
  2. Step 2: Convert to fraction form
    11,772.72/16,246.35 = 6,467.87/x
  3. Step 3: Cross multiply
    11,772.72x = 16,246.35 × 6,467.87
  4. Step 4: Simplify right side
    11,772.72x = 105,079,348.74
  5. Step 5: Solve for x
    x = 105,079,348.74/11,772.72
  6. Step 6: Final answer
    x = 8,925.67

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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.