Home / 12,833.19-17,695.80-8,348.62

Finding the Fourth Proportional to 12,833.19, 17,695.80 and 8,348.62

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Solution

The fourth proportional to 12,833.19, 17,695.80 and 8,348.62 is: 11,511.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833.19 : 17,695.80 = 8,348.62 : x
  2. Step 2: Convert to fraction form
    12,833.19/17,695.80 = 8,348.62/x
  3. Step 3: Cross multiply
    12,833.19x = 17,695.80 × 8,348.62
  4. Step 4: Simplify right side
    12,833.19x = 147,735,509.80
  5. Step 5: Solve for x
    x = 147,735,509.80/12,833.19
  6. Step 6: Final answer
    x = 11,511.99

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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.