Home / 7,385.56-11,077.26-2,455.48

Finding the Fourth Proportional to 7,385.56, 11,077.26 and 2,455.48

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Solution

The fourth proportional to 7,385.56, 11,077.26 and 2,455.48 is: 3,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.56 : 11,077.26 = 2,455.48 : x
  2. Step 2: Convert to fraction form
    7,385.56/11,077.26 = 2,455.48/x
  3. Step 3: Cross multiply
    7,385.56x = 11,077.26 × 2,455.48
  4. Step 4: Simplify right side
    7,385.56x = 27,199,990.38
  5. Step 5: Solve for x
    x = 27,199,990.38/7,385.56
  6. Step 6: Final answer
    x = 3,682.86

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1.5x scale

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.