Home / 11,207.32-16,815.80-4,638.28

Finding the Fourth Proportional to 11,207.32, 16,815.80 and 4,638.28

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Solution

The fourth proportional to 11,207.32, 16,815.80 and 4,638.28 is: 6,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.32 : 16,815.80 = 4,638.28 : x
  2. Step 2: Convert to fraction form
    11,207.32/16,815.80 = 4,638.28/x
  3. Step 3: Cross multiply
    11,207.32x = 16,815.80 × 4,638.28
  4. Step 4: Simplify right side
    11,207.32x = 77,996,388.82
  5. Step 5: Solve for x
    x = 77,996,388.82/11,207.32
  6. Step 6: Final answer
    x = 6,959.41

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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.