Home / 11,763.81-16,233.55-6,458.72

Finding the Fourth Proportional to 11,763.81, 16,233.55 and 6,458.72

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Solution

The fourth proportional to 11,763.81, 16,233.55 and 6,458.72 is: 8,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.81 : 16,233.55 = 6,458.72 : x
  2. Step 2: Convert to fraction form
    11,763.81/16,233.55 = 6,458.72/x
  3. Step 3: Cross multiply
    11,763.81x = 16,233.55 × 6,458.72
  4. Step 4: Simplify right side
    11,763.81x = 104,847,856.74
  5. Step 5: Solve for x
    x = 104,847,856.74/11,763.81
  6. Step 6: Final answer
    x = 8,912.75

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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.