Home / 8,848.88-12,211.61-5,072.38

Finding the Fourth Proportional to 8,848.88, 12,211.61 and 5,072.38

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Solution

The fourth proportional to 8,848.88, 12,211.61 and 5,072.38 is: 6,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.88 : 12,211.61 = 5,072.38 : x
  2. Step 2: Convert to fraction form
    8,848.88/12,211.61 = 5,072.38/x
  3. Step 3: Cross multiply
    8,848.88x = 12,211.61 × 5,072.38
  4. Step 4: Simplify right side
    8,848.88x = 61,941,926.33
  5. Step 5: Solve for x
    x = 61,941,926.33/8,848.88
  6. Step 6: Final answer
    x = 6,999.97

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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.