Home / 8,830.38-12,185.31-4,851.66

Finding the Fourth Proportional to 8,830.38, 12,185.31 and 4,851.66

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Solution

The fourth proportional to 8,830.38, 12,185.31 and 4,851.66 is: 6,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.38 : 12,185.31 = 4,851.66 : x
  2. Step 2: Convert to fraction form
    8,830.38/12,185.31 = 4,851.66/x
  3. Step 3: Cross multiply
    8,830.38x = 12,185.31 × 4,851.66
  4. Step 4: Simplify right side
    8,830.38x = 59,118,981.11
  5. Step 5: Solve for x
    x = 59,118,981.11/8,830.38
  6. Step 6: Final answer
    x = 6,694.95

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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.