Home / 10,883.28-15,018.48-6,167.28

Finding the Fourth Proportional to 10,883.28, 15,018.48 and 6,167.28

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Solution

The fourth proportional to 10,883.28, 15,018.48 and 6,167.28 is: 8,510.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.28 : 15,018.48 = 6,167.28 : x
  2. Step 2: Convert to fraction form
    10,883.28/15,018.48 = 6,167.28/x
  3. Step 3: Cross multiply
    10,883.28x = 15,018.48 × 6,167.28
  4. Step 4: Simplify right side
    10,883.28x = 92,623,171.33
  5. Step 5: Solve for x
    x = 92,623,171.33/10,883.28
  6. Step 6: Final answer
    x = 8,510.59

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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.