Home / 11,664.84-16,100.08-7,415.07

Finding the Fourth Proportional to 11,664.84, 16,100.08 and 7,415.07

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Solution

The fourth proportional to 11,664.84, 16,100.08 and 7,415.07 is: 10,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.84 : 16,100.08 = 7,415.07 : x
  2. Step 2: Convert to fraction form
    11,664.84/16,100.08 = 7,415.07/x
  3. Step 3: Cross multiply
    11,664.84x = 16,100.08 × 7,415.07
  4. Step 4: Simplify right side
    11,664.84x = 119,383,220.21
  5. Step 5: Solve for x
    x = 119,383,220.21/11,664.84
  6. Step 6: Final answer
    x = 10,234.45

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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.