Home / 12,305.03-16,980.93-6,716.03

Finding the Fourth Proportional to 12,305.03, 16,980.93 and 6,716.03

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Solution

The fourth proportional to 12,305.03, 16,980.93 and 6,716.03 is: 9,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.03 : 16,980.93 = 6,716.03 : x
  2. Step 2: Convert to fraction form
    12,305.03/16,980.93 = 6,716.03/x
  3. Step 3: Cross multiply
    12,305.03x = 16,980.93 × 6,716.03
  4. Step 4: Simplify right side
    12,305.03x = 114,044,350.40
  5. Step 5: Solve for x
    x = 114,044,350.40/12,305.03
  6. Step 6: Final answer
    x = 9,268.11

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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.