Home / 10,178.37-15,252.98-5,786.55

Finding the Fourth Proportional to 10,178.37, 15,252.98 and 5,786.55

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Solution

The fourth proportional to 10,178.37, 15,252.98 and 5,786.55 is: 8,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.37 : 15,252.98 = 5,786.55 : x
  2. Step 2: Convert to fraction form
    10,178.37/15,252.98 = 5,786.55/x
  3. Step 3: Cross multiply
    10,178.37x = 15,252.98 × 5,786.55
  4. Step 4: Simplify right side
    10,178.37x = 88,262,102.49
  5. Step 5: Solve for x
    x = 88,262,102.49/10,178.37
  6. Step 6: Final answer
    x = 8,671.54

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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.