Home / 12,020.43-16,588.08-6,716.16

Finding the Fourth Proportional to 12,020.43, 16,588.08 and 6,716.16

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Solution

The fourth proportional to 12,020.43, 16,588.08 and 6,716.16 is: 9,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.43 : 16,588.08 = 6,716.16 : x
  2. Step 2: Convert to fraction form
    12,020.43/16,588.08 = 6,716.16/x
  3. Step 3: Cross multiply
    12,020.43x = 16,588.08 × 6,716.16
  4. Step 4: Simplify right side
    12,020.43x = 111,408,199.37
  5. Step 5: Solve for x
    x = 111,408,199.37/12,020.43
  6. Step 6: Final answer
    x = 9,268.24

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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.