Home / 8,927.30-12,319.67-4,949.02

Finding the Fourth Proportional to 8,927.30, 12,319.67 and 4,949.02

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Solution

The fourth proportional to 8,927.30, 12,319.67 and 4,949.02 is: 6,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.30 : 12,319.67 = 4,949.02 : x
  2. Step 2: Convert to fraction form
    8,927.30/12,319.67 = 4,949.02/x
  3. Step 3: Cross multiply
    8,927.30x = 12,319.67 × 4,949.02
  4. Step 4: Simplify right side
    8,927.30x = 60,970,237.78
  5. Step 5: Solve for x
    x = 60,970,237.78/8,927.30
  6. Step 6: Final answer
    x = 6,829.64

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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.