Home / 11,719.46-17,578.58-2,953.84

Finding the Fourth Proportional to 11,719.46, 17,578.58 and 2,953.84

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Solution

The fourth proportional to 11,719.46, 17,578.58 and 2,953.84 is: 4,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.46 : 17,578.58 = 2,953.84 : x
  2. Step 2: Convert to fraction form
    11,719.46/17,578.58 = 2,953.84/x
  3. Step 3: Cross multiply
    11,719.46x = 17,578.58 × 2,953.84
  4. Step 4: Simplify right side
    11,719.46x = 51,924,312.75
  5. Step 5: Solve for x
    x = 51,924,312.75/11,719.46
  6. Step 6: Final answer
    x = 4,430.61

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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.