Home / 11,725.02-16,159.20-9,261.61

Finding the Fourth Proportional to 11,725.02, 16,159.20 and 9,261.61

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Solution

The fourth proportional to 11,725.02, 16,159.20 and 9,261.61 is: 12,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.02 : 16,159.20 = 9,261.61 : x
  2. Step 2: Convert to fraction form
    11,725.02/16,159.20 = 9,261.61/x
  3. Step 3: Cross multiply
    11,725.02x = 16,159.20 × 9,261.61
  4. Step 4: Simplify right side
    11,725.02x = 149,660,133.18
  5. Step 5: Solve for x
    x = 149,660,133.18/11,725.02
  6. Step 6: Final answer
    x = 12,764.17

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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.