Home / 11,369.64-15,689.67-6,333.75

Finding the Fourth Proportional to 11,369.64, 15,689.67 and 6,333.75

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Solution

The fourth proportional to 11,369.64, 15,689.67 and 6,333.75 is: 8,740.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.64 : 15,689.67 = 6,333.75 : x
  2. Step 2: Convert to fraction form
    11,369.64/15,689.67 = 6,333.75/x
  3. Step 3: Cross multiply
    11,369.64x = 15,689.67 × 6,333.75
  4. Step 4: Simplify right side
    11,369.64x = 99,374,447.36
  5. Step 5: Solve for x
    x = 99,374,447.36/11,369.64
  6. Step 6: Final answer
    x = 8,740.33

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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.