Home / 11,886.14-16,402.22-6,580.62

Finding the Fourth Proportional to 11,886.14, 16,402.22 and 6,580.62

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Solution

The fourth proportional to 11,886.14, 16,402.22 and 6,580.62 is: 9,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.14 : 16,402.22 = 6,580.62 : x
  2. Step 2: Convert to fraction form
    11,886.14/16,402.22 = 6,580.62/x
  3. Step 3: Cross multiply
    11,886.14x = 16,402.22 × 6,580.62
  4. Step 4: Simplify right side
    11,886.14x = 107,936,741.13
  5. Step 5: Solve for x
    x = 107,936,741.13/11,886.14
  6. Step 6: Final answer
    x = 9,080.89

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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.