Home / 7,055.11-10,561.89-5,214.43

Finding the Fourth Proportional to 7,055.11, 10,561.89 and 5,214.43

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Solution

The fourth proportional to 7,055.11, 10,561.89 and 5,214.43 is: 7,806.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.11 : 10,561.89 = 5,214.43 : x
  2. Step 2: Convert to fraction form
    7,055.11/10,561.89 = 5,214.43/x
  3. Step 3: Cross multiply
    7,055.11x = 10,561.89 × 5,214.43
  4. Step 4: Simplify right side
    7,055.11x = 55,074,157.19
  5. Step 5: Solve for x
    x = 55,074,157.19/7,055.11
  6. Step 6: Final answer
    x = 7,806.28

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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.