Home / 12,296.32-16,968.92-6,991.46

Finding the Fourth Proportional to 12,296.32, 16,968.92 and 6,991.46

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Solution

The fourth proportional to 12,296.32, 16,968.92 and 6,991.46 is: 9,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.32 : 16,968.92 = 6,991.46 : x
  2. Step 2: Convert to fraction form
    12,296.32/16,968.92 = 6,991.46/x
  3. Step 3: Cross multiply
    12,296.32x = 16,968.92 × 6,991.46
  4. Step 4: Simplify right side
    12,296.32x = 118,637,405.62
  5. Step 5: Solve for x
    x = 118,637,405.62/12,296.32
  6. Step 6: Final answer
    x = 9,648.21

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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.