Home / 11,321.32-16,975.80-3,925.16

Finding the Fourth Proportional to 11,321.32, 16,975.80 and 3,925.16

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Solution

The fourth proportional to 11,321.32, 16,975.80 and 3,925.16 is: 5,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.32 : 16,975.80 = 3,925.16 : x
  2. Step 2: Convert to fraction form
    11,321.32/16,975.80 = 3,925.16/x
  3. Step 3: Cross multiply
    11,321.32x = 16,975.80 × 3,925.16
  4. Step 4: Simplify right side
    11,321.32x = 66,632,731.13
  5. Step 5: Solve for x
    x = 66,632,731.13/11,321.32
  6. Step 6: Final answer
    x = 5,885.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.