Home / 10,975.60-16,464.48-3,579.76

Finding the Fourth Proportional to 10,975.60, 16,464.48 and 3,579.76

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Solution

The fourth proportional to 10,975.60, 16,464.48 and 3,579.76 is: 5,369.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.60 : 16,464.48 = 3,579.76 : x
  2. Step 2: Convert to fraction form
    10,975.60/16,464.48 = 3,579.76/x
  3. Step 3: Cross multiply
    10,975.60x = 16,464.48 × 3,579.76
  4. Step 4: Simplify right side
    10,975.60x = 58,938,886.92
  5. Step 5: Solve for x
    x = 58,938,886.92/10,975.60
  6. Step 6: Final answer
    x = 5,369.99

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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.