Home / 8,669.13-11,963.35-4,690.23

Finding the Fourth Proportional to 8,669.13, 11,963.35 and 4,690.23

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Solution

The fourth proportional to 8,669.13, 11,963.35 and 4,690.23 is: 6,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.13 : 11,963.35 = 4,690.23 : x
  2. Step 2: Convert to fraction form
    8,669.13/11,963.35 = 4,690.23/x
  3. Step 3: Cross multiply
    8,669.13x = 11,963.35 × 4,690.23
  4. Step 4: Simplify right side
    8,669.13x = 56,110,863.07
  5. Step 5: Solve for x
    x = 56,110,863.07/8,669.13
  6. Step 6: Final answer
    x = 6,472.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.