Home / 12,566.28-18,844.62-4,130.82

Finding the Fourth Proportional to 12,566.28, 18,844.62 and 4,130.82

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Solution

The fourth proportional to 12,566.28, 18,844.62 and 4,130.82 is: 6,194.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.28 : 18,844.62 = 4,130.82 : x
  2. Step 2: Convert to fraction form
    12,566.28/18,844.62 = 4,130.82/x
  3. Step 3: Cross multiply
    12,566.28x = 18,844.62 × 4,130.82
  4. Step 4: Simplify right side
    12,566.28x = 77,843,733.19
  5. Step 5: Solve for x
    x = 77,843,733.19/12,566.28
  6. Step 6: Final answer
    x = 6,194.65

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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.