Home / 11,551.92-15,940.50-6,516.35

Finding the Fourth Proportional to 11,551.92, 15,940.50 and 6,516.35

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Solution

The fourth proportional to 11,551.92, 15,940.50 and 6,516.35 is: 8,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.92 : 15,940.50 = 6,516.35 : x
  2. Step 2: Convert to fraction form
    11,551.92/15,940.50 = 6,516.35/x
  3. Step 3: Cross multiply
    11,551.92x = 15,940.50 × 6,516.35
  4. Step 4: Simplify right side
    11,551.92x = 103,873,832.81
  5. Step 5: Solve for x
    x = 103,873,832.81/11,551.92
  6. Step 6: Final answer
    x = 8,991.91

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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.