Home / 11,232.37-15,499.42-6,515.74

Finding the Fourth Proportional to 11,232.37, 15,499.42 and 6,515.74

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Solution

The fourth proportional to 11,232.37, 15,499.42 and 6,515.74 is: 8,991.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.37 : 15,499.42 = 6,515.74 : x
  2. Step 2: Convert to fraction form
    11,232.37/15,499.42 = 6,515.74/x
  3. Step 3: Cross multiply
    11,232.37x = 15,499.42 × 6,515.74
  4. Step 4: Simplify right side
    11,232.37x = 100,990,190.87
  5. Step 5: Solve for x
    x = 100,990,190.87/11,232.37
  6. Step 6: Final answer
    x = 8,991.00

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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.