Home / 11,680.58-17,523.65-3,889.46

Finding the Fourth Proportional to 11,680.58, 17,523.65 and 3,889.46

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Solution

The fourth proportional to 11,680.58, 17,523.65 and 3,889.46 is: 5,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.58 : 17,523.65 = 3,889.46 : x
  2. Step 2: Convert to fraction form
    11,680.58/17,523.65 = 3,889.46/x
  3. Step 3: Cross multiply
    11,680.58x = 17,523.65 × 3,889.46
  4. Step 4: Simplify right side
    11,680.58x = 68,157,457.83
  5. Step 5: Solve for x
    x = 68,157,457.83/11,680.58
  6. Step 6: Final answer
    x = 5,835.11

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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.