Home / 12,103.52-16,702.85-6,800.04

Finding the Fourth Proportional to 12,103.52, 16,702.85 and 6,800.04

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Solution

The fourth proportional to 12,103.52, 16,702.85 and 6,800.04 is: 9,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103.52 : 16,702.85 = 6,800.04 : x
  2. Step 2: Convert to fraction form
    12,103.52/16,702.85 = 6,800.04/x
  3. Step 3: Cross multiply
    12,103.52x = 16,702.85 × 6,800.04
  4. Step 4: Simplify right side
    12,103.52x = 113,580,065.11
  5. Step 5: Solve for x
    x = 113,580,065.11/12,103.52
  6. Step 6: Final answer
    x = 9,384.06

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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.