Home / 11,499.12-17,232.16-4,923.52

Finding the Fourth Proportional to 11,499.12, 17,232.16 and 4,923.52

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Solution

The fourth proportional to 11,499.12, 17,232.16 and 4,923.52 is: 7,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,499.12 : 17,232.16 = 4,923.52 : x
  2. Step 2: Convert to fraction form
    11,499.12/17,232.16 = 4,923.52/x
  3. Step 3: Cross multiply
    11,499.12x = 17,232.16 × 4,923.52
  4. Step 4: Simplify right side
    11,499.12x = 84,842,884.40
  5. Step 5: Solve for x
    x = 84,842,884.40/11,499.12
  6. Step 6: Final answer
    x = 7,378.21

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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.