Home / 6,740.12-10,104.02-5,706.78

Finding the Fourth Proportional to 6,740.12, 10,104.02 and 5,706.78

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Solution

The fourth proportional to 6,740.12, 10,104.02 and 5,706.78 is: 8,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.12 : 10,104.02 = 5,706.78 : x
  2. Step 2: Convert to fraction form
    6,740.12/10,104.02 = 5,706.78/x
  3. Step 3: Cross multiply
    6,740.12x = 10,104.02 × 5,706.78
  4. Step 4: Simplify right side
    6,740.12x = 57,661,419.26
  5. Step 5: Solve for x
    x = 57,661,419.26/6,740.12
  6. Step 6: Final answer
    x = 8,554.95

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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.