Home / 10,638.14-14,675.58-8,264.03

Finding the Fourth Proportional to 10,638.14, 14,675.58 and 8,264.03

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Solution

The fourth proportional to 10,638.14, 14,675.58 and 8,264.03 is: 11,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.14 : 14,675.58 = 8,264.03 : x
  2. Step 2: Convert to fraction form
    10,638.14/14,675.58 = 8,264.03/x
  3. Step 3: Cross multiply
    10,638.14x = 14,675.58 × 8,264.03
  4. Step 4: Simplify right side
    10,638.14x = 121,279,360.01
  5. Step 5: Solve for x
    x = 121,279,360.01/10,638.14
  6. Step 6: Final answer
    x = 11,400.43

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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.