Home / 11,673.02-16,109.21-6,637.70

Finding the Fourth Proportional to 11,673.02, 16,109.21 and 6,637.70

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Solution

The fourth proportional to 11,673.02, 16,109.21 and 6,637.70 is: 9,160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.02 : 16,109.21 = 6,637.70 : x
  2. Step 2: Convert to fraction form
    11,673.02/16,109.21 = 6,637.70/x
  3. Step 3: Cross multiply
    11,673.02x = 16,109.21 × 6,637.70
  4. Step 4: Simplify right side
    11,673.02x = 106,928,103.22
  5. Step 5: Solve for x
    x = 106,928,103.22/11,673.02
  6. Step 6: Final answer
    x = 9,160.28

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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.