Home / 11,934.18-17,901.45-6,666.12

Finding the Fourth Proportional to 11,934.18, 17,901.45 and 6,666.12

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Solution

The fourth proportional to 11,934.18, 17,901.45 and 6,666.12 is: 9,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.18 : 17,901.45 = 6,666.12 : x
  2. Step 2: Convert to fraction form
    11,934.18/17,901.45 = 6,666.12/x
  3. Step 3: Cross multiply
    11,934.18x = 17,901.45 × 6,666.12
  4. Step 4: Simplify right side
    11,934.18x = 119,333,213.87
  5. Step 5: Solve for x
    x = 119,333,213.87/11,934.18
  6. Step 6: Final answer
    x = 9,999.28

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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.