Home / 11,673.70-16,109.08-6,637.23

Finding the Fourth Proportional to 11,673.70, 16,109.08 and 6,637.23

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Solution

The fourth proportional to 11,673.70, 16,109.08 and 6,637.23 is: 9,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.70 : 16,109.08 = 6,637.23 : x
  2. Step 2: Convert to fraction form
    11,673.70/16,109.08 = 6,637.23/x
  3. Step 3: Cross multiply
    11,673.70x = 16,109.08 × 6,637.23
  4. Step 4: Simplify right side
    11,673.70x = 106,919,571.91
  5. Step 5: Solve for x
    x = 106,919,571.91/11,673.70
  6. Step 6: Final answer
    x = 9,159.01

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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.