Home / 8,830.36-12,186.21-4,851.61

Finding the Fourth Proportional to 8,830.36, 12,186.21 and 4,851.61

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Solution

The fourth proportional to 8,830.36, 12,186.21 and 4,851.61 is: 6,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.36 : 12,186.21 = 4,851.61 : x
  2. Step 2: Convert to fraction form
    8,830.36/12,186.21 = 4,851.61/x
  3. Step 3: Cross multiply
    8,830.36x = 12,186.21 × 4,851.61
  4. Step 4: Simplify right side
    8,830.36x = 59,122,738.30
  5. Step 5: Solve for x
    x = 59,122,738.30/8,830.36
  6. Step 6: Final answer
    x = 6,695.39

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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.