Home / 7,786.11-10,740.02-5,548.70

Finding the Fourth Proportional to 7,786.11, 10,740.02 and 5,548.70

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Solution

The fourth proportional to 7,786.11, 10,740.02 and 5,548.70 is: 7,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.11 : 10,740.02 = 5,548.70 : x
  2. Step 2: Convert to fraction form
    7,786.11/10,740.02 = 5,548.70/x
  3. Step 3: Cross multiply
    7,786.11x = 10,740.02 × 5,548.70
  4. Step 4: Simplify right side
    7,786.11x = 59,593,148.97
  5. Step 5: Solve for x
    x = 59,593,148.97/7,786.11
  6. Step 6: Final answer
    x = 7,653.78

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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.