Home / 11,190.56-16,749.91-7,433.68

Finding the Fourth Proportional to 11,190.56, 16,749.91 and 7,433.68

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Solution

The fourth proportional to 11,190.56, 16,749.91 and 7,433.68 is: 11,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.56 : 16,749.91 = 7,433.68 : x
  2. Step 2: Convert to fraction form
    11,190.56/16,749.91 = 7,433.68/x
  3. Step 3: Cross multiply
    11,190.56x = 16,749.91 × 7,433.68
  4. Step 4: Simplify right side
    11,190.56x = 124,513,368.64
  5. Step 5: Solve for x
    x = 124,513,368.64/11,190.56
  6. Step 6: Final answer
    x = 11,126.64

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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.