Home / 10,907.20-16,356.66-4,663.30

Finding the Fourth Proportional to 10,907.20, 16,356.66 and 4,663.30

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Solution

The fourth proportional to 10,907.20, 16,356.66 and 4,663.30 is: 6,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.20 : 16,356.66 = 4,663.30 : x
  2. Step 2: Convert to fraction form
    10,907.20/16,356.66 = 4,663.30/x
  3. Step 3: Cross multiply
    10,907.20x = 16,356.66 × 4,663.30
  4. Step 4: Simplify right side
    10,907.20x = 76,276,012.58
  5. Step 5: Solve for x
    x = 76,276,012.58/10,907.20
  6. Step 6: Final answer
    x = 6,993.18

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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.