Home / 8,736.08-13,102.76-2,892.74

Finding the Fourth Proportional to 8,736.08, 13,102.76 and 2,892.74

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Solution

The fourth proportional to 8,736.08, 13,102.76 and 2,892.74 is: 4,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.08 : 13,102.76 = 2,892.74 : x
  2. Step 2: Convert to fraction form
    8,736.08/13,102.76 = 2,892.74/x
  3. Step 3: Cross multiply
    8,736.08x = 13,102.76 × 2,892.74
  4. Step 4: Simplify right side
    8,736.08x = 37,902,877.96
  5. Step 5: Solve for x
    x = 37,902,877.96/8,736.08
  6. Step 6: Final answer
    x = 4,338.66

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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.