Home / 11,331.04-16,995.84-6,949.12

Finding the Fourth Proportional to 11,331.04, 16,995.84 and 6,949.12

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Solution

The fourth proportional to 11,331.04, 16,995.84 and 6,949.12 is: 10,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.04 : 16,995.84 = 6,949.12 : x
  2. Step 2: Convert to fraction form
    11,331.04/16,995.84 = 6,949.12/x
  3. Step 3: Cross multiply
    11,331.04x = 16,995.84 × 6,949.12
  4. Step 4: Simplify right side
    11,331.04x = 118,106,131.66
  5. Step 5: Solve for x
    x = 118,106,131.66/11,331.04
  6. Step 6: Final answer
    x = 10,423.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.