Home / 8,618.32-11,892.97-5,266.74

Finding the Fourth Proportional to 8,618.32, 11,892.97 and 5,266.74

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Solution

The fourth proportional to 8,618.32, 11,892.97 and 5,266.74 is: 7,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.32 : 11,892.97 = 5,266.74 : x
  2. Step 2: Convert to fraction form
    8,618.32/11,892.97 = 5,266.74/x
  3. Step 3: Cross multiply
    8,618.32x = 11,892.97 × 5,266.74
  4. Step 4: Simplify right side
    8,618.32x = 62,637,180.82
  5. Step 5: Solve for x
    x = 62,637,180.82/8,618.32
  6. Step 6: Final answer
    x = 7,267.91

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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.