Home / 9,126.36-12,594.96-5,589.09

Finding the Fourth Proportional to 9,126.36, 12,594.96 and 5,589.09

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Solution

The fourth proportional to 9,126.36, 12,594.96 and 5,589.09 is: 7,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.36 : 12,594.96 = 5,589.09 : x
  2. Step 2: Convert to fraction form
    9,126.36/12,594.96 = 5,589.09/x
  3. Step 3: Cross multiply
    9,126.36x = 12,594.96 × 5,589.09
  4. Step 4: Simplify right side
    9,126.36x = 70,394,364.99
  5. Step 5: Solve for x
    x = 70,394,364.99/9,126.36
  6. Step 6: Final answer
    x = 7,713.30

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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.