Home / 7,560.81-11,317.50-4,777.88

Finding the Fourth Proportional to 7,560.81, 11,317.50 and 4,777.88

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Solution

The fourth proportional to 7,560.81, 11,317.50 and 4,777.88 is: 7,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,560.81 : 11,317.50 = 4,777.88 : x
  2. Step 2: Convert to fraction form
    7,560.81/11,317.50 = 4,777.88/x
  3. Step 3: Cross multiply
    7,560.81x = 11,317.50 × 4,777.88
  4. Step 4: Simplify right side
    7,560.81x = 54,073,600.31
  5. Step 5: Solve for x
    x = 54,073,600.31/7,560.81
  6. Step 6: Final answer
    x = 7,151.83

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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.