Home / 12,020.73-16,588.74-6,643.14

Finding the Fourth Proportional to 12,020.73, 16,588.74 and 6,643.14

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Solution

The fourth proportional to 12,020.73, 16,588.74 and 6,643.14 is: 9,167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.73 : 16,588.74 = 6,643.14 : x
  2. Step 2: Convert to fraction form
    12,020.73/16,588.74 = 6,643.14/x
  3. Step 3: Cross multiply
    12,020.73x = 16,588.74 × 6,643.14
  4. Step 4: Simplify right side
    12,020.73x = 110,201,322.24
  5. Step 5: Solve for x
    x = 110,201,322.24/12,020.73
  6. Step 6: Final answer
    x = 9,167.61

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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.