Home / 12,151.45-16,769.33-6,845.95

Finding the Fourth Proportional to 12,151.45, 16,769.33 and 6,845.95

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Solution

The fourth proportional to 12,151.45, 16,769.33 and 6,845.95 is: 9,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.45 : 16,769.33 = 6,845.95 : x
  2. Step 2: Convert to fraction form
    12,151.45/16,769.33 = 6,845.95/x
  3. Step 3: Cross multiply
    12,151.45x = 16,769.33 × 6,845.95
  4. Step 4: Simplify right side
    12,151.45x = 114,801,994.71
  5. Step 5: Solve for x
    x = 114,801,994.71/12,151.45
  6. Step 6: Final answer
    x = 9,447.60

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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.