Home / 11,369.71-15,690.18-6,333.88

Finding the Fourth Proportional to 11,369.71, 15,690.18 and 6,333.88

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Solution

The fourth proportional to 11,369.71, 15,690.18 and 6,333.88 is: 8,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.71 : 15,690.18 = 6,333.88 : x
  2. Step 2: Convert to fraction form
    11,369.71/15,690.18 = 6,333.88/x
  3. Step 3: Cross multiply
    11,369.71x = 15,690.18 × 6,333.88
  4. Step 4: Simplify right side
    11,369.71x = 99,379,717.30
  5. Step 5: Solve for x
    x = 99,379,717.30/11,369.71
  6. Step 6: Final answer
    x = 8,740.74

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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.