Home / 6,926.47-10,436.46-5,720.89

Finding the Fourth Proportional to 6,926.47, 10,436.46 and 5,720.89

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Solution

The fourth proportional to 6,926.47, 10,436.46 and 5,720.89 is: 8,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926.47 : 10,436.46 = 5,720.89 : x
  2. Step 2: Convert to fraction form
    6,926.47/10,436.46 = 5,720.89/x
  3. Step 3: Cross multiply
    6,926.47x = 10,436.46 × 5,720.89
  4. Step 4: Simplify right side
    6,926.47x = 59,705,839.65
  5. Step 5: Solve for x
    x = 59,705,839.65/6,926.47
  6. Step 6: Final answer
    x = 8,619.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.