Home / 11,247.16-16,878.28-4,673.36

Finding the Fourth Proportional to 11,247.16, 16,878.28 and 4,673.36

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Solution

The fourth proportional to 11,247.16, 16,878.28 and 4,673.36 is: 7,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.16 : 16,878.28 = 4,673.36 : x
  2. Step 2: Convert to fraction form
    11,247.16/16,878.28 = 4,673.36/x
  3. Step 3: Cross multiply
    11,247.16x = 16,878.28 × 4,673.36
  4. Step 4: Simplify right side
    11,247.16x = 78,878,278.62
  5. Step 5: Solve for x
    x = 78,878,278.62/11,247.16
  6. Step 6: Final answer
    x = 7,013.17

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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.