Home / 12,296.12-16,968.65-6,991.29

Finding the Fourth Proportional to 12,296.12, 16,968.65 and 6,991.29

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Solution

The fourth proportional to 12,296.12, 16,968.65 and 6,991.29 is: 9,647.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.12 : 16,968.65 = 6,991.29 : x
  2. Step 2: Convert to fraction form
    12,296.12/16,968.65 = 6,991.29/x
  3. Step 3: Cross multiply
    12,296.12x = 16,968.65 × 6,991.29
  4. Step 4: Simplify right side
    12,296.12x = 118,632,718.10
  5. Step 5: Solve for x
    x = 118,632,718.10/12,296.12
  6. Step 6: Final answer
    x = 9,647.98

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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.