Home / 10,988.42-16,482.48-2,668.50

Finding the Fourth Proportional to 10,988.42, 16,482.48 and 2,668.50

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Solution

The fourth proportional to 10,988.42, 16,482.48 and 2,668.50 is: 4,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.42 : 16,482.48 = 2,668.50 : x
  2. Step 2: Convert to fraction form
    10,988.42/16,482.48 = 2,668.50/x
  3. Step 3: Cross multiply
    10,988.42x = 16,482.48 × 2,668.50
  4. Step 4: Simplify right side
    10,988.42x = 43,983,497.88
  5. Step 5: Solve for x
    x = 43,983,497.88/10,988.42
  6. Step 6: Final answer
    x = 4,002.71

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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.