Home / 11,603.25-17,405.28-3,812.67

Finding the Fourth Proportional to 11,603.25, 17,405.28 and 3,812.67

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Solution

The fourth proportional to 11,603.25, 17,405.28 and 3,812.67 is: 5,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.25 : 17,405.28 = 3,812.67 : x
  2. Step 2: Convert to fraction form
    11,603.25/17,405.28 = 3,812.67/x
  3. Step 3: Cross multiply
    11,603.25x = 17,405.28 × 3,812.67
  4. Step 4: Simplify right side
    11,603.25x = 66,360,588.90
  5. Step 5: Solve for x
    x = 66,360,588.90/11,603.25
  6. Step 6: Final answer
    x = 5,719.14

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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.