Home / 11,684.79-16,119.69-6,967.35

Finding the Fourth Proportional to 11,684.79, 16,119.69 and 6,967.35

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Solution

The fourth proportional to 11,684.79, 16,119.69 and 6,967.35 is: 9,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.79 : 16,119.69 = 6,967.35 : x
  2. Step 2: Convert to fraction form
    11,684.79/16,119.69 = 6,967.35/x
  3. Step 3: Cross multiply
    11,684.79x = 16,119.69 × 6,967.35
  4. Step 4: Simplify right side
    11,684.79x = 112,311,522.12
  5. Step 5: Solve for x
    x = 112,311,522.12/11,684.79
  6. Step 6: Final answer
    x = 9,611.77

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Double scale
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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.