Home / 11,702.07-16,146.99-6,666.39

Finding the Fourth Proportional to 11,702.07, 16,146.99 and 6,666.39

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Solution

The fourth proportional to 11,702.07, 16,146.99 and 6,666.39 is: 9,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.07 : 16,146.99 = 6,666.39 : x
  2. Step 2: Convert to fraction form
    11,702.07/16,146.99 = 6,666.39/x
  3. Step 3: Cross multiply
    11,702.07x = 16,146.99 × 6,666.39
  4. Step 4: Simplify right side
    11,702.07x = 107,642,132.67
  5. Step 5: Solve for x
    x = 107,642,132.67/11,702.07
  6. Step 6: Final answer
    x = 9,198.55

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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.