Home / 11,972.02-16,525.65-8,616.82

Finding the Fourth Proportional to 11,972.02, 16,525.65 and 8,616.82

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Solution

The fourth proportional to 11,972.02, 16,525.65 and 8,616.82 is: 11,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.02 : 16,525.65 = 8,616.82 : x
  2. Step 2: Convert to fraction form
    11,972.02/16,525.65 = 8,616.82/x
  3. Step 3: Cross multiply
    11,972.02x = 16,525.65 × 8,616.82
  4. Step 4: Simplify right side
    11,972.02x = 142,398,551.43
  5. Step 5: Solve for x
    x = 142,398,551.43/11,972.02
  6. Step 6: Final answer
    x = 11,894.28

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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.