Home / 11,333.13-16,980.50-6,941.43

Finding the Fourth Proportional to 11,333.13, 16,980.50 and 6,941.43

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Solution

The fourth proportional to 11,333.13, 16,980.50 and 6,941.43 is: 10,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.13 : 16,980.50 = 6,941.43 : x
  2. Step 2: Convert to fraction form
    11,333.13/16,980.50 = 6,941.43/x
  3. Step 3: Cross multiply
    11,333.13x = 16,980.50 × 6,941.43
  4. Step 4: Simplify right side
    11,333.13x = 117,868,917.41
  5. Step 5: Solve for x
    x = 117,868,917.41/11,333.13
  6. Step 6: Final answer
    x = 10,400.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.