Home / 12,296.10-16,968.69-6,991.11

Finding the Fourth Proportional to 12,296.10, 16,968.69 and 6,991.11

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Solution

The fourth proportional to 12,296.10, 16,968.69 and 6,991.11 is: 9,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.10 : 16,968.69 = 6,991.11 : x
  2. Step 2: Convert to fraction form
    12,296.10/16,968.69 = 6,991.11/x
  3. Step 3: Cross multiply
    12,296.10x = 16,968.69 × 6,991.11
  4. Step 4: Simplify right side
    12,296.10x = 118,629,978.35
  5. Step 5: Solve for x
    x = 118,629,978.35/12,296.10
  6. Step 6: Final answer
    x = 9,647.77

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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.