Home / 13,265.07-18,313.37-8,794.88

Finding the Fourth Proportional to 13,265.07, 18,313.37 and 8,794.88

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Solution

The fourth proportional to 13,265.07, 18,313.37 and 8,794.88 is: 12,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.07 : 18,313.37 = 8,794.88 : x
  2. Step 2: Convert to fraction form
    13,265.07/18,313.37 = 8,794.88/x
  3. Step 3: Cross multiply
    13,265.07x = 18,313.37 × 8,794.88
  4. Step 4: Simplify right side
    13,265.07x = 161,063,801.79
  5. Step 5: Solve for x
    x = 161,063,801.79/13,265.07
  6. Step 6: Final answer
    x = 12,141.95

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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.