Home / 11,603.03-16,015.97-6,822.72

Finding the Fourth Proportional to 11,603.03, 16,015.97 and 6,822.72

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Solution

The fourth proportional to 11,603.03, 16,015.97 and 6,822.72 is: 9,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.03 : 16,015.97 = 6,822.72 : x
  2. Step 2: Convert to fraction form
    11,603.03/16,015.97 = 6,822.72/x
  3. Step 3: Cross multiply
    11,603.03x = 16,015.97 × 6,822.72
  4. Step 4: Simplify right side
    11,603.03x = 109,272,495.90
  5. Step 5: Solve for x
    x = 109,272,495.90/11,603.03
  6. Step 6: Final answer
    x = 9,417.59

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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.