Home / 6,396.68-8,827.38-3,603.08

Finding the Fourth Proportional to 6,396.68, 8,827.38 and 3,603.08

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Solution

The fourth proportional to 6,396.68, 8,827.38 and 3,603.08 is: 4,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.68 : 8,827.38 = 3,603.08 : x
  2. Step 2: Convert to fraction form
    6,396.68/8,827.38 = 3,603.08/x
  3. Step 3: Cross multiply
    6,396.68x = 8,827.38 × 3,603.08
  4. Step 4: Simplify right side
    6,396.68x = 31,805,756.33
  5. Step 5: Solve for x
    x = 31,805,756.33/6,396.68
  6. Step 6: Final answer
    x = 4,972.23

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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.