Home / 12,273.27-16,947.95-9,123.99

Finding the Fourth Proportional to 12,273.27, 16,947.95 and 9,123.99

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Solution

The fourth proportional to 12,273.27, 16,947.95 and 9,123.99 is: 12,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.27 : 16,947.95 = 9,123.99 : x
  2. Step 2: Convert to fraction form
    12,273.27/16,947.95 = 9,123.99/x
  3. Step 3: Cross multiply
    12,273.27x = 16,947.95 × 9,123.99
  4. Step 4: Simplify right side
    12,273.27x = 154,632,880.70
  5. Step 5: Solve for x
    x = 154,632,880.70/12,273.27
  6. Step 6: Final answer
    x = 12,599.16

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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.