Home / 10,690.79-16,034.65-3,670.67

Finding the Fourth Proportional to 10,690.79, 16,034.65 and 3,670.67

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Solution

The fourth proportional to 10,690.79, 16,034.65 and 3,670.67 is: 5,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.79 : 16,034.65 = 3,670.67 : x
  2. Step 2: Convert to fraction form
    10,690.79/16,034.65 = 3,670.67/x
  3. Step 3: Cross multiply
    10,690.79x = 16,034.65 × 3,670.67
  4. Step 4: Simplify right side
    10,690.79x = 58,857,859.75
  5. Step 5: Solve for x
    x = 58,857,859.75/10,690.79
  6. Step 6: Final answer
    x = 5,505.48

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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.