Home / 10,818.93-14,930.82-6,103.11

Finding the Fourth Proportional to 10,818.93, 14,930.82 and 6,103.11

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Solution

The fourth proportional to 10,818.93, 14,930.82 and 6,103.11 is: 8,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.93 : 14,930.82 = 6,103.11 : x
  2. Step 2: Convert to fraction form
    10,818.93/14,930.82 = 6,103.11/x
  3. Step 3: Cross multiply
    10,818.93x = 14,930.82 × 6,103.11
  4. Step 4: Simplify right side
    10,818.93x = 91,124,436.85
  5. Step 5: Solve for x
    x = 91,124,436.85/10,818.93
  6. Step 6: Final answer
    x = 8,422.68

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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.