Home / 11,606.82-16,009.21-7,133.08

Finding the Fourth Proportional to 11,606.82, 16,009.21 and 7,133.08

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Solution

The fourth proportional to 11,606.82, 16,009.21 and 7,133.08 is: 9,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,606.82 : 16,009.21 = 7,133.08 : x
  2. Step 2: Convert to fraction form
    11,606.82/16,009.21 = 7,133.08/x
  3. Step 3: Cross multiply
    11,606.82x = 16,009.21 × 7,133.08
  4. Step 4: Simplify right side
    11,606.82x = 114,194,975.67
  5. Step 5: Solve for x
    x = 114,194,975.67/11,606.82
  6. Step 6: Final answer
    x = 9,838.61

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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.