Home / 10,474.55-15,709.39-3,077.02

Finding the Fourth Proportional to 10,474.55, 15,709.39 and 3,077.02

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Solution

The fourth proportional to 10,474.55, 15,709.39 and 3,077.02 is: 4,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.55 : 15,709.39 = 3,077.02 : x
  2. Step 2: Convert to fraction form
    10,474.55/15,709.39 = 3,077.02/x
  3. Step 3: Cross multiply
    10,474.55x = 15,709.39 × 3,077.02
  4. Step 4: Simplify right side
    10,474.55x = 48,338,060.25
  5. Step 5: Solve for x
    x = 48,338,060.25/10,474.55
  6. Step 6: Final answer
    x = 4,614.81

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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.