Home / 11,299.71-15,594.56-6,520.52

Finding the Fourth Proportional to 11,299.71, 15,594.56 and 6,520.52

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Solution

The fourth proportional to 11,299.71, 15,594.56 and 6,520.52 is: 8,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.71 : 15,594.56 = 6,520.52 : x
  2. Step 2: Convert to fraction form
    11,299.71/15,594.56 = 6,520.52/x
  3. Step 3: Cross multiply
    11,299.71x = 15,594.56 × 6,520.52
  4. Step 4: Simplify right side
    11,299.71x = 101,684,529.80
  5. Step 5: Solve for x
    x = 101,684,529.80/11,299.71
  6. Step 6: Final answer
    x = 8,998.86

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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.