Home / 9,205.62-13,810.26-5,309.12

Finding the Fourth Proportional to 9,205.62, 13,810.26 and 5,309.12

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Solution

The fourth proportional to 9,205.62, 13,810.26 and 5,309.12 is: 7,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.62 : 13,810.26 = 5,309.12 : x
  2. Step 2: Convert to fraction form
    9,205.62/13,810.26 = 5,309.12/x
  3. Step 3: Cross multiply
    9,205.62x = 13,810.26 × 5,309.12
  4. Step 4: Simplify right side
    9,205.62x = 73,320,327.57
  5. Step 5: Solve for x
    x = 73,320,327.57/9,205.62
  6. Step 6: Final answer
    x = 7,964.74

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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.