Home / 11,942.02-16,477.99-6,636.12

Finding the Fourth Proportional to 11,942.02, 16,477.99 and 6,636.12

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Solution

The fourth proportional to 11,942.02, 16,477.99 and 6,636.12 is: 9,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.02 : 16,477.99 = 6,636.12 : x
  2. Step 2: Convert to fraction form
    11,942.02/16,477.99 = 6,636.12/x
  3. Step 3: Cross multiply
    11,942.02x = 16,477.99 × 6,636.12
  4. Step 4: Simplify right side
    11,942.02x = 109,349,919.00
  5. Step 5: Solve for x
    x = 109,349,919.00/11,942.02
  6. Step 6: Final answer
    x = 9,156.74

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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.