Home / 8,786.15-12,125.18-4,807.26

Finding the Fourth Proportional to 8,786.15, 12,125.18 and 4,807.26

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Solution

The fourth proportional to 8,786.15, 12,125.18 and 4,807.26 is: 6,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.15 : 12,125.18 = 4,807.26 : x
  2. Step 2: Convert to fraction form
    8,786.15/12,125.18 = 4,807.26/x
  3. Step 3: Cross multiply
    8,786.15x = 12,125.18 × 4,807.26
  4. Step 4: Simplify right side
    8,786.15x = 58,288,868.77
  5. Step 5: Solve for x
    x = 58,288,868.77/8,786.15
  6. Step 6: Final answer
    x = 6,634.18

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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.