Home / 8,815.86-12,166.18-4,837.25

Finding the Fourth Proportional to 8,815.86, 12,166.18 and 4,837.25

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Solution

The fourth proportional to 8,815.86, 12,166.18 and 4,837.25 is: 6,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.86 : 12,166.18 = 4,837.25 : x
  2. Step 2: Convert to fraction form
    8,815.86/12,166.18 = 4,837.25/x
  3. Step 3: Cross multiply
    8,815.86x = 12,166.18 × 4,837.25
  4. Step 4: Simplify right side
    8,815.86x = 58,850,872.53
  5. Step 5: Solve for x
    x = 58,850,872.53/8,815.86
  6. Step 6: Final answer
    x = 6,675.57

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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.