Home / 7,453.20-11,163.60-4,526.40

Finding the Fourth Proportional to 7,453.20, 11,163.60 and 4,526.40

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Solution

The fourth proportional to 7,453.20, 11,163.60 and 4,526.40 is: 6,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.20 : 11,163.60 = 4,526.40 : x
  2. Step 2: Convert to fraction form
    7,453.20/11,163.60 = 4,526.40/x
  3. Step 3: Cross multiply
    7,453.20x = 11,163.60 × 4,526.40
  4. Step 4: Simplify right side
    7,453.20x = 50,530,919.04
  5. Step 5: Solve for x
    x = 50,530,919.04/7,453.20
  6. Step 6: Final answer
    x = 6,779.76

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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.