Home / 11,673.17-16,126.54-7,649.56

Finding the Fourth Proportional to 11,673.17, 16,126.54 and 7,649.56

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Solution

The fourth proportional to 11,673.17, 16,126.54 and 7,649.56 is: 10,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.17 : 16,126.54 = 7,649.56 : x
  2. Step 2: Convert to fraction form
    11,673.17/16,126.54 = 7,649.56/x
  3. Step 3: Cross multiply
    11,673.17x = 16,126.54 × 7,649.56
  4. Step 4: Simplify right side
    11,673.17x = 123,360,816.44
  5. Step 5: Solve for x
    x = 123,360,816.44/11,673.17
  6. Step 6: Final answer
    x = 10,567.89

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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.