Home / 11,345.24-17,003.28-4,762.38

Finding the Fourth Proportional to 11,345.24, 17,003.28 and 4,762.38

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Solution

The fourth proportional to 11,345.24, 17,003.28 and 4,762.38 is: 7,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.24 : 17,003.28 = 4,762.38 : x
  2. Step 2: Convert to fraction form
    11,345.24/17,003.28 = 4,762.38/x
  3. Step 3: Cross multiply
    11,345.24x = 17,003.28 × 4,762.38
  4. Step 4: Simplify right side
    11,345.24x = 80,976,080.61
  5. Step 5: Solve for x
    x = 80,976,080.61/11,345.24
  6. Step 6: Final answer
    x = 7,137.45

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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.