Home / 8,786.37-12,125.24-4,807.55

Finding the Fourth Proportional to 8,786.37, 12,125.24 and 4,807.55

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Solution

The fourth proportional to 8,786.37, 12,125.24 and 4,807.55 is: 6,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.37 : 12,125.24 = 4,807.55 : x
  2. Step 2: Convert to fraction form
    8,786.37/12,125.24 = 4,807.55/x
  3. Step 3: Cross multiply
    8,786.37x = 12,125.24 × 4,807.55
  4. Step 4: Simplify right side
    8,786.37x = 58,292,748.91
  5. Step 5: Solve for x
    x = 58,292,748.91/8,786.37
  6. Step 6: Final answer
    x = 6,634.45

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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.