Home / 12,020.44-16,586.74-6,715.08

Finding the Fourth Proportional to 12,020.44, 16,586.74 and 6,715.08

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Solution

The fourth proportional to 12,020.44, 16,586.74 and 6,715.08 is: 9,265.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.44 : 16,586.74 = 6,715.08 : x
  2. Step 2: Convert to fraction form
    12,020.44/16,586.74 = 6,715.08/x
  3. Step 3: Cross multiply
    12,020.44x = 16,586.74 × 6,715.08
  4. Step 4: Simplify right side
    12,020.44x = 111,381,286.04
  5. Step 5: Solve for x
    x = 111,381,286.04/12,020.44
  6. Step 6: Final answer
    x = 9,265.99

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Half scale
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Double scale
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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.