Home / 8,848.89-12,211.98-5,072.68

Finding the Fourth Proportional to 8,848.89, 12,211.98 and 5,072.68

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Solution

The fourth proportional to 8,848.89, 12,211.98 and 5,072.68 is: 7,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.89 : 12,211.98 = 5,072.68 : x
  2. Step 2: Convert to fraction form
    8,848.89/12,211.98 = 5,072.68/x
  3. Step 3: Cross multiply
    8,848.89x = 12,211.98 × 5,072.68
  4. Step 4: Simplify right side
    8,848.89x = 61,947,462.95
  5. Step 5: Solve for x
    x = 61,947,462.95/8,848.89
  6. Step 6: Final answer
    x = 7,000.59

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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.