Home / 12,211.49-16,851.69-6,834.02

Finding the Fourth Proportional to 12,211.49, 16,851.69 and 6,834.02

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Solution

The fourth proportional to 12,211.49, 16,851.69 and 6,834.02 is: 9,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.49 : 16,851.69 = 6,834.02 : x
  2. Step 2: Convert to fraction form
    12,211.49/16,851.69 = 6,834.02/x
  3. Step 3: Cross multiply
    12,211.49x = 16,851.69 × 6,834.02
  4. Step 4: Simplify right side
    12,211.49x = 115,164,702.24
  5. Step 5: Solve for x
    x = 115,164,702.24/12,211.49
  6. Step 6: Final answer
    x = 9,430.85

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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.