Home / 11,630.96-17,411.88-6,999.92

Finding the Fourth Proportional to 11,630.96, 17,411.88 and 6,999.92

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Solution

The fourth proportional to 11,630.96, 17,411.88 and 6,999.92 is: 10,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,630.96 : 17,411.88 = 6,999.92 : x
  2. Step 2: Convert to fraction form
    11,630.96/17,411.88 = 6,999.92/x
  3. Step 3: Cross multiply
    11,630.96x = 17,411.88 × 6,999.92
  4. Step 4: Simplify right side
    11,630.96x = 121,881,767.05
  5. Step 5: Solve for x
    x = 121,881,767.05/11,630.96
  6. Step 6: Final answer
    x = 10,479.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.