Home / 11,701.62-16,148.69-6,666.66

Finding the Fourth Proportional to 11,701.62, 16,148.69 and 6,666.66

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Solution

The fourth proportional to 11,701.62, 16,148.69 and 6,666.66 is: 9,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.62 : 16,148.69 = 6,666.66 : x
  2. Step 2: Convert to fraction form
    11,701.62/16,148.69 = 6,666.66/x
  3. Step 3: Cross multiply
    11,701.62x = 16,148.69 × 6,666.66
  4. Step 4: Simplify right side
    11,701.62x = 107,657,825.68
  5. Step 5: Solve for x
    x = 107,657,825.68/11,701.62
  6. Step 6: Final answer
    x = 9,200.25

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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.