Home / 11,690.89-17,541.80-6,764.67

Finding the Fourth Proportional to 11,690.89, 17,541.80 and 6,764.67

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Solution

The fourth proportional to 11,690.89, 17,541.80 and 6,764.67 is: 10,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.89 : 17,541.80 = 6,764.67 : x
  2. Step 2: Convert to fraction form
    11,690.89/17,541.80 = 6,764.67/x
  3. Step 3: Cross multiply
    11,690.89x = 17,541.80 × 6,764.67
  4. Step 4: Simplify right side
    11,690.89x = 118,664,488.21
  5. Step 5: Solve for x
    x = 118,664,488.21/11,690.89
  6. Step 6: Final answer
    x = 10,150.17

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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.