Home / 7,076.56-10,620.60-5,663.44

Finding the Fourth Proportional to 7,076.56, 10,620.60 and 5,663.44

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Solution

The fourth proportional to 7,076.56, 10,620.60 and 5,663.44 is: 8,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.56 : 10,620.60 = 5,663.44 : x
  2. Step 2: Convert to fraction form
    7,076.56/10,620.60 = 5,663.44/x
  3. Step 3: Cross multiply
    7,076.56x = 10,620.60 × 5,663.44
  4. Step 4: Simplify right side
    7,076.56x = 60,149,130.86
  5. Step 5: Solve for x
    x = 60,149,130.86/7,076.56
  6. Step 6: Final answer
    x = 8,499.77

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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.