Home / 10,976.48-16,468.58-5,433.66

Finding the Fourth Proportional to 10,976.48, 16,468.58 and 5,433.66

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Solution

The fourth proportional to 10,976.48, 16,468.58 and 5,433.66 is: 8,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.48 : 16,468.58 = 5,433.66 : x
  2. Step 2: Convert to fraction form
    10,976.48/16,468.58 = 5,433.66/x
  3. Step 3: Cross multiply
    10,976.48x = 16,468.58 × 5,433.66
  4. Step 4: Simplify right side
    10,976.48x = 89,484,664.40
  5. Step 5: Solve for x
    x = 89,484,664.40/10,976.48
  6. Step 6: Final answer
    x = 8,152.40

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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.