Home / 7,205.16-10,797.60-5,425.08

Finding the Fourth Proportional to 7,205.16, 10,797.60 and 5,425.08

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Solution

The fourth proportional to 7,205.16, 10,797.60 and 5,425.08 is: 8,129.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.16 : 10,797.60 = 5,425.08 : x
  2. Step 2: Convert to fraction form
    7,205.16/10,797.60 = 5,425.08/x
  3. Step 3: Cross multiply
    7,205.16x = 10,797.60 × 5,425.08
  4. Step 4: Simplify right side
    7,205.16x = 58,577,843.81
  5. Step 5: Solve for x
    x = 58,577,843.81/7,205.16
  6. Step 6: Final answer
    x = 8,129.99

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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.