Home / 12,103.43-16,702.40-6,798.57

Finding the Fourth Proportional to 12,103.43, 16,702.40 and 6,798.57

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Solution

The fourth proportional to 12,103.43, 16,702.40 and 6,798.57 is: 9,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103.43 : 16,702.40 = 6,798.57 : x
  2. Step 2: Convert to fraction form
    12,103.43/16,702.40 = 6,798.57/x
  3. Step 3: Cross multiply
    12,103.43x = 16,702.40 × 6,798.57
  4. Step 4: Simplify right side
    12,103.43x = 113,552,389.93
  5. Step 5: Solve for x
    x = 113,552,389.93/12,103.43
  6. Step 6: Final answer
    x = 9,381.84

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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.