Home / 8,254.68-11,396.39-5,426.79

Finding the Fourth Proportional to 8,254.68, 11,396.39 and 5,426.79

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Solution

The fourth proportional to 8,254.68, 11,396.39 and 5,426.79 is: 7,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.68 : 11,396.39 = 5,426.79 : x
  2. Step 2: Convert to fraction form
    8,254.68/11,396.39 = 5,426.79/x
  3. Step 3: Cross multiply
    8,254.68x = 11,396.39 × 5,426.79
  4. Step 4: Simplify right side
    8,254.68x = 61,845,815.29
  5. Step 5: Solve for x
    x = 61,845,815.29/8,254.68
  6. Step 6: Final answer
    x = 7,492.21

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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.