Home / 13,083.61-18,049.17-8,045.77

Finding the Fourth Proportional to 13,083.61, 18,049.17 and 8,045.77

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Solution

The fourth proportional to 13,083.61, 18,049.17 and 8,045.77 is: 11,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.61 : 18,049.17 = 8,045.77 : x
  2. Step 2: Convert to fraction form
    13,083.61/18,049.17 = 8,045.77/x
  3. Step 3: Cross multiply
    13,083.61x = 18,049.17 × 8,045.77
  4. Step 4: Simplify right side
    13,083.61x = 145,219,470.51
  5. Step 5: Solve for x
    x = 145,219,470.51/13,083.61
  6. Step 6: Final answer
    x = 11,099.34

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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.