Home / 11,130.24-16,681.92-4,802.56

Finding the Fourth Proportional to 11,130.24, 16,681.92 and 4,802.56

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Solution

The fourth proportional to 11,130.24, 16,681.92 and 4,802.56 is: 7,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.24 : 16,681.92 = 4,802.56 : x
  2. Step 2: Convert to fraction form
    11,130.24/16,681.92 = 4,802.56/x
  3. Step 3: Cross multiply
    11,130.24x = 16,681.92 × 4,802.56
  4. Step 4: Simplify right side
    11,130.24x = 80,115,921.72
  5. Step 5: Solve for x
    x = 80,115,921.72/11,130.24
  6. Step 6: Final answer
    x = 7,198.04

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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.