Home / 11,623.32-16,040.10-6,318.12

Finding the Fourth Proportional to 11,623.32, 16,040.10 and 6,318.12

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Solution

The fourth proportional to 11,623.32, 16,040.10 and 6,318.12 is: 8,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.32 : 16,040.10 = 6,318.12 : x
  2. Step 2: Convert to fraction form
    11,623.32/16,040.10 = 6,318.12/x
  3. Step 3: Cross multiply
    11,623.32x = 16,040.10 × 6,318.12
  4. Step 4: Simplify right side
    11,623.32x = 101,343,276.61
  5. Step 5: Solve for x
    x = 101,343,276.61/11,623.32
  6. Step 6: Final answer
    x = 8,718.96

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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.