Home / 10,519.88-14,511.03-6,268.15

Finding the Fourth Proportional to 10,519.88, 14,511.03 and 6,268.15

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Solution

The fourth proportional to 10,519.88, 14,511.03 and 6,268.15 is: 8,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.88 : 14,511.03 = 6,268.15 : x
  2. Step 2: Convert to fraction form
    10,519.88/14,511.03 = 6,268.15/x
  3. Step 3: Cross multiply
    10,519.88x = 14,511.03 × 6,268.15
  4. Step 4: Simplify right side
    10,519.88x = 90,957,240.14
  5. Step 5: Solve for x
    x = 90,957,240.14/10,519.88
  6. Step 6: Final answer
    x = 8,646.22

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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.