Home / 11,623.32-16,040.08-6,318.04

Finding the Fourth Proportional to 11,623.32, 16,040.08 and 6,318.04

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Solution

The fourth proportional to 11,623.32, 16,040.08 and 6,318.04 is: 8,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.32 : 16,040.08 = 6,318.04 : x
  2. Step 2: Convert to fraction form
    11,623.32/16,040.08 = 6,318.04/x
  3. Step 3: Cross multiply
    11,623.32x = 16,040.08 × 6,318.04
  4. Step 4: Simplify right side
    11,623.32x = 101,341,867.04
  5. Step 5: Solve for x
    x = 101,341,867.04/11,623.32
  6. Step 6: Final answer
    x = 8,718.84

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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.