Home / 7,412.67-10,229.19-4,055.40

Finding the Fourth Proportional to 7,412.67, 10,229.19 and 4,055.40

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Solution

The fourth proportional to 7,412.67, 10,229.19 and 4,055.40 is: 5,596.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.67 : 10,229.19 = 4,055.40 : x
  2. Step 2: Convert to fraction form
    7,412.67/10,229.19 = 4,055.40/x
  3. Step 3: Cross multiply
    7,412.67x = 10,229.19 × 4,055.40
  4. Step 4: Simplify right side
    7,412.67x = 41,483,457.13
  5. Step 5: Solve for x
    x = 41,483,457.13/7,412.67
  6. Step 6: Final answer
    x = 5,596.29

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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.