Home / 9,313.04-12,851.66-5,121.26

Finding the Fourth Proportional to 9,313.04, 12,851.66 and 5,121.26

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Solution

The fourth proportional to 9,313.04, 12,851.66 and 5,121.26 is: 7,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.04 : 12,851.66 = 5,121.26 : x
  2. Step 2: Convert to fraction form
    9,313.04/12,851.66 = 5,121.26/x
  3. Step 3: Cross multiply
    9,313.04x = 12,851.66 × 5,121.26
  4. Step 4: Simplify right side
    9,313.04x = 65,816,692.29
  5. Step 5: Solve for x
    x = 65,816,692.29/9,313.04
  6. Step 6: Final answer
    x = 7,067.15

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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.