Home / 8,736.56-13,107-2,893.76

Finding the Fourth Proportional to 8,736.56, 13,107 and 2,893.76

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Solution

The fourth proportional to 8,736.56, 13,107 and 2,893.76 is: 4,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.56 : 13,107 = 2,893.76 : x
  2. Step 2: Convert to fraction form
    8,736.56/13,107 = 2,893.76/x
  3. Step 3: Cross multiply
    8,736.56x = 13,107 × 2,893.76
  4. Step 4: Simplify right side
    8,736.56x = 37,928,446.79
  5. Step 5: Solve for x
    x = 37,928,446.79/8,736.56
  6. Step 6: Final answer
    x = 4,341.35

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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.