Home / 8,823.37-12,175.36-5,286.49

Finding the Fourth Proportional to 8,823.37, 12,175.36 and 5,286.49

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Solution

The fourth proportional to 8,823.37, 12,175.36 and 5,286.49 is: 7,294.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.37 : 12,175.36 = 5,286.49 : x
  2. Step 2: Convert to fraction form
    8,823.37/12,175.36 = 5,286.49/x
  3. Step 3: Cross multiply
    8,823.37x = 12,175.36 × 5,286.49
  4. Step 4: Simplify right side
    8,823.37x = 64,364,892.45
  5. Step 5: Solve for x
    x = 64,364,892.45/8,823.37
  6. Step 6: Final answer
    x = 7,294.82

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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.