Home / 17,085.30-25,628.01-8,312.70

Finding the Fourth Proportional to 17,085.30, 25,628.01 and 8,312.70

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Solution

The fourth proportional to 17,085.30, 25,628.01 and 8,312.70 is: 12,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,085.30 : 25,628.01 = 8,312.70 : x
  2. Step 2: Convert to fraction form
    17,085.30/25,628.01 = 8,312.70/x
  3. Step 3: Cross multiply
    17,085.30x = 25,628.01 × 8,312.70
  4. Step 4: Simplify right side
    17,085.30x = 213,037,958.73
  5. Step 5: Solve for x
    x = 213,037,958.73/17,085.30
  6. Step 6: Final answer
    x = 12,469.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.