Home / 11,140.24-16,718.84-4,126.88

Finding the Fourth Proportional to 11,140.24, 16,718.84 and 4,126.88

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Solution

The fourth proportional to 11,140.24, 16,718.84 and 4,126.88 is: 6,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.24 : 16,718.84 = 4,126.88 : x
  2. Step 2: Convert to fraction form
    11,140.24/16,718.84 = 4,126.88/x
  3. Step 3: Cross multiply
    11,140.24x = 16,718.84 × 4,126.88
  4. Step 4: Simplify right side
    11,140.24x = 68,996,646.42
  5. Step 5: Solve for x
    x = 68,996,646.42/11,140.24
  6. Step 6: Final answer
    x = 6,193.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.