Home / 10,818.88-14,930.06-6,103.16

Finding the Fourth Proportional to 10,818.88, 14,930.06 and 6,103.16

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Solution

The fourth proportional to 10,818.88, 14,930.06 and 6,103.16 is: 8,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.88 : 14,930.06 = 6,103.16 : x
  2. Step 2: Convert to fraction form
    10,818.88/14,930.06 = 6,103.16/x
  3. Step 3: Cross multiply
    10,818.88x = 14,930.06 × 6,103.16
  4. Step 4: Simplify right side
    10,818.88x = 91,120,544.99
  5. Step 5: Solve for x
    x = 91,120,544.99/10,818.88
  6. Step 6: Final answer
    x = 8,422.36

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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.