Home / 7,412.29-10,229.10-4,055.09

Finding the Fourth Proportional to 7,412.29, 10,229.10 and 4,055.09

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Solution

The fourth proportional to 7,412.29, 10,229.10 and 4,055.09 is: 5,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.29 : 10,229.10 = 4,055.09 : x
  2. Step 2: Convert to fraction form
    7,412.29/10,229.10 = 4,055.09/x
  3. Step 3: Cross multiply
    7,412.29x = 10,229.10 × 4,055.09
  4. Step 4: Simplify right side
    7,412.29x = 41,479,869.97
  5. Step 5: Solve for x
    x = 41,479,869.97/7,412.29
  6. Step 6: Final answer
    x = 5,596.10

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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.