Home / 8,998.22-12,417.81-5,019.25

Finding the Fourth Proportional to 8,998.22, 12,417.81 and 5,019.25

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Solution

The fourth proportional to 8,998.22, 12,417.81 and 5,019.25 is: 6,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.22 : 12,417.81 = 5,019.25 : x
  2. Step 2: Convert to fraction form
    8,998.22/12,417.81 = 5,019.25/x
  3. Step 3: Cross multiply
    8,998.22x = 12,417.81 × 5,019.25
  4. Step 4: Simplify right side
    8,998.22x = 62,328,092.84
  5. Step 5: Solve for x
    x = 62,328,092.84/8,998.22
  6. Step 6: Final answer
    x = 6,926.71

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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.