Home / 8,694.63-11,998.58-4,715.75

Finding the Fourth Proportional to 8,694.63, 11,998.58 and 4,715.75

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Solution

The fourth proportional to 8,694.63, 11,998.58 and 4,715.75 is: 6,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.63 : 11,998.58 = 4,715.75 : x
  2. Step 2: Convert to fraction form
    8,694.63/11,998.58 = 4,715.75/x
  3. Step 3: Cross multiply
    8,694.63x = 11,998.58 × 4,715.75
  4. Step 4: Simplify right side
    8,694.63x = 56,582,220.06
  5. Step 5: Solve for x
    x = 56,582,220.06/8,694.63
  6. Step 6: Final answer
    x = 6,507.72

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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.