Home / 7,616.44-10,487.32-6,666.92

Finding the Fourth Proportional to 7,616.44, 10,487.32 and 6,666.92

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Solution

The fourth proportional to 7,616.44, 10,487.32 and 6,666.92 is: 9,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.44 : 10,487.32 = 6,666.92 : x
  2. Step 2: Convert to fraction form
    7,616.44/10,487.32 = 6,666.92/x
  3. Step 3: Cross multiply
    7,616.44x = 10,487.32 × 6,666.92
  4. Step 4: Simplify right side
    7,616.44x = 69,918,037.68
  5. Step 5: Solve for x
    x = 69,918,037.68/7,616.44
  6. Step 6: Final answer
    x = 9,179.89

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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.