Home / 8,795.52-12,136.32-5,438.88

Finding the Fourth Proportional to 8,795.52, 12,136.32 and 5,438.88

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Solution

The fourth proportional to 8,795.52, 12,136.32 and 5,438.88 is: 7,504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.52 : 12,136.32 = 5,438.88 : x
  2. Step 2: Convert to fraction form
    8,795.52/12,136.32 = 5,438.88/x
  3. Step 3: Cross multiply
    8,795.52x = 12,136.32 × 5,438.88
  4. Step 4: Simplify right side
    8,795.52x = 66,007,988.12
  5. Step 5: Solve for x
    x = 66,007,988.12/8,795.52
  6. Step 6: Final answer
    x = 7,504.73

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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.