Home / 11,638.98-16,062.14-6,603.41

Finding the Fourth Proportional to 11,638.98, 16,062.14 and 6,603.41

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Solution

The fourth proportional to 11,638.98, 16,062.14 and 6,603.41 is: 9,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.98 : 16,062.14 = 6,603.41 : x
  2. Step 2: Convert to fraction form
    11,638.98/16,062.14 = 6,603.41/x
  3. Step 3: Cross multiply
    11,638.98x = 16,062.14 × 6,603.41
  4. Step 4: Simplify right side
    11,638.98x = 106,064,895.90
  5. Step 5: Solve for x
    x = 106,064,895.90/11,638.98
  6. Step 6: Final answer
    x = 9,112.90

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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.