Home / 9,268.44-12,791.52-5,290.13

Finding the Fourth Proportional to 9,268.44, 12,791.52 and 5,290.13

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Solution

The fourth proportional to 9,268.44, 12,791.52 and 5,290.13 is: 7,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.44 : 12,791.52 = 5,290.13 : x
  2. Step 2: Convert to fraction form
    9,268.44/12,791.52 = 5,290.13/x
  3. Step 3: Cross multiply
    9,268.44x = 12,791.52 × 5,290.13
  4. Step 4: Simplify right side
    9,268.44x = 67,668,739.74
  5. Step 5: Solve for x
    x = 67,668,739.74/9,268.44
  6. Step 6: Final answer
    x = 7,300.98

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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.