Home / 11,340.71-17,007.28-4,765.67

Finding the Fourth Proportional to 11,340.71, 17,007.28 and 4,765.67

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Solution

The fourth proportional to 11,340.71, 17,007.28 and 4,765.67 is: 7,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.71 : 17,007.28 = 4,765.67 : x
  2. Step 2: Convert to fraction form
    11,340.71/17,007.28 = 4,765.67/x
  3. Step 3: Cross multiply
    11,340.71x = 17,007.28 × 4,765.67
  4. Step 4: Simplify right side
    11,340.71x = 81,051,084.08
  5. Step 5: Solve for x
    x = 81,051,084.08/11,340.71
  6. Step 6: Final answer
    x = 7,146.91

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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.