Home / 8,245.68-11,384.46-5,559.12

Finding the Fourth Proportional to 8,245.68, 11,384.46 and 5,559.12

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Solution

The fourth proportional to 8,245.68, 11,384.46 and 5,559.12 is: 7,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.68 : 11,384.46 = 5,559.12 : x
  2. Step 2: Convert to fraction form
    8,245.68/11,384.46 = 5,559.12/x
  3. Step 3: Cross multiply
    8,245.68x = 11,384.46 × 5,559.12
  4. Step 4: Simplify right side
    8,245.68x = 63,287,579.28
  5. Step 5: Solve for x
    x = 63,287,579.28/8,245.68
  6. Step 6: Final answer
    x = 7,675.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.