Home / 13,077.29-18,037.54-8,599.61

Finding the Fourth Proportional to 13,077.29, 18,037.54 and 8,599.61

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Solution

The fourth proportional to 13,077.29, 18,037.54 and 8,599.61 is: 11,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.29 : 18,037.54 = 8,599.61 : x
  2. Step 2: Convert to fraction form
    13,077.29/18,037.54 = 8,599.61/x
  3. Step 3: Cross multiply
    13,077.29x = 18,037.54 × 8,599.61
  4. Step 4: Simplify right side
    13,077.29x = 155,115,766.36
  5. Step 5: Solve for x
    x = 155,115,766.36/13,077.29
  6. Step 6: Final answer
    x = 11,861.46

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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.