Home / 8,515.96-11,748.34-4,880.07

Finding the Fourth Proportional to 8,515.96, 11,748.34 and 4,880.07

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Solution

The fourth proportional to 8,515.96, 11,748.34 and 4,880.07 is: 6,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.96 : 11,748.34 = 4,880.07 : x
  2. Step 2: Convert to fraction form
    8,515.96/11,748.34 = 4,880.07/x
  3. Step 3: Cross multiply
    8,515.96x = 11,748.34 × 4,880.07
  4. Step 4: Simplify right side
    8,515.96x = 57,332,727.68
  5. Step 5: Solve for x
    x = 57,332,727.68/8,515.96
  6. Step 6: Final answer
    x = 6,732.39

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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.