Home / 8,948.14-12,347.78-4,968.95

Finding the Fourth Proportional to 8,948.14, 12,347.78 and 4,968.95

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Solution

The fourth proportional to 8,948.14, 12,347.78 and 4,968.95 is: 6,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.14 : 12,347.78 = 4,968.95 : x
  2. Step 2: Convert to fraction form
    8,948.14/12,347.78 = 4,968.95/x
  3. Step 3: Cross multiply
    8,948.14x = 12,347.78 × 4,968.95
  4. Step 4: Simplify right side
    8,948.14x = 61,355,414.85
  5. Step 5: Solve for x
    x = 61,355,414.85/8,948.14
  6. Step 6: Final answer
    x = 6,856.78

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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.