Home / 11,769.16-16,240.98-6,463.72

Finding the Fourth Proportional to 11,769.16, 16,240.98 and 6,463.72

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Solution

The fourth proportional to 11,769.16, 16,240.98 and 6,463.72 is: 8,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.16 : 16,240.98 = 6,463.72 : x
  2. Step 2: Convert to fraction form
    11,769.16/16,240.98 = 6,463.72/x
  3. Step 3: Cross multiply
    11,769.16x = 16,240.98 × 6,463.72
  4. Step 4: Simplify right side
    11,769.16x = 104,977,147.25
  5. Step 5: Solve for x
    x = 104,977,147.25/11,769.16
  6. Step 6: Final answer
    x = 8,919.68

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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.