Home / 11,644.48-16,066.65-6,607.56

Finding the Fourth Proportional to 11,644.48, 16,066.65 and 6,607.56

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Solution

The fourth proportional to 11,644.48, 16,066.65 and 6,607.56 is: 9,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.48 : 16,066.65 = 6,607.56 : x
  2. Step 2: Convert to fraction form
    11,644.48/16,066.65 = 6,607.56/x
  3. Step 3: Cross multiply
    11,644.48x = 16,066.65 × 6,607.56
  4. Step 4: Simplify right side
    11,644.48x = 106,161,353.87
  5. Step 5: Solve for x
    x = 106,161,353.87/11,644.48
  6. Step 6: Final answer
    x = 9,116.88

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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.