Home / 7,487.68-10,333.96-6,226.56

Finding the Fourth Proportional to 7,487.68, 10,333.96 and 6,226.56

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Solution

The fourth proportional to 7,487.68, 10,333.96 and 6,226.56 is: 8,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.68 : 10,333.96 = 6,226.56 : x
  2. Step 2: Convert to fraction form
    7,487.68/10,333.96 = 6,226.56/x
  3. Step 3: Cross multiply
    7,487.68x = 10,333.96 × 6,226.56
  4. Step 4: Simplify right side
    7,487.68x = 64,345,021.98
  5. Step 5: Solve for x
    x = 64,345,021.98/7,487.68
  6. Step 6: Final answer
    x = 8,593.45

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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.