Home / 11,623.91-16,041.65-6,318.61

Finding the Fourth Proportional to 11,623.91, 16,041.65 and 6,318.61

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Solution

The fourth proportional to 11,623.91, 16,041.65 and 6,318.61 is: 8,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.91 : 16,041.65 = 6,318.61 : x
  2. Step 2: Convert to fraction form
    11,623.91/16,041.65 = 6,318.61/x
  3. Step 3: Cross multiply
    11,623.91x = 16,041.65 × 6,318.61
  4. Step 4: Simplify right side
    11,623.91x = 101,360,858.41
  5. Step 5: Solve for x
    x = 101,360,858.41/11,623.91
  6. Step 6: Final answer
    x = 8,720.03

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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.