Home / 11,673.91-16,109.33-6,637.42

Finding the Fourth Proportional to 11,673.91, 16,109.33 and 6,637.42

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Solution

The fourth proportional to 11,673.91, 16,109.33 and 6,637.42 is: 9,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.91 : 16,109.33 = 6,637.42 : x
  2. Step 2: Convert to fraction form
    11,673.91/16,109.33 = 6,637.42/x
  3. Step 3: Cross multiply
    11,673.91x = 16,109.33 × 6,637.42
  4. Step 4: Simplify right side
    11,673.91x = 106,924,389.13
  5. Step 5: Solve for x
    x = 106,924,389.13/11,673.91
  6. Step 6: Final answer
    x = 9,159.26

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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.