Home / 10,638.23-14,682.05-6,102.56

Finding the Fourth Proportional to 10,638.23, 14,682.05 and 6,102.56

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Solution

The fourth proportional to 10,638.23, 14,682.05 and 6,102.56 is: 8,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.23 : 14,682.05 = 6,102.56 : x
  2. Step 2: Convert to fraction form
    10,638.23/14,682.05 = 6,102.56/x
  3. Step 3: Cross multiply
    10,638.23x = 14,682.05 × 6,102.56
  4. Step 4: Simplify right side
    10,638.23x = 89,597,987.12
  5. Step 5: Solve for x
    x = 89,597,987.12/10,638.23
  6. Step 6: Final answer
    x = 8,422.27

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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.