Home / 13,118.16-19,666.52-6,102.56

Finding the Fourth Proportional to 13,118.16, 19,666.52 and 6,102.56

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Solution

The fourth proportional to 13,118.16, 19,666.52 and 6,102.56 is: 9,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.16 : 19,666.52 = 6,102.56 : x
  2. Step 2: Convert to fraction form
    13,118.16/19,666.52 = 6,102.56/x
  3. Step 3: Cross multiply
    13,118.16x = 19,666.52 × 6,102.56
  4. Step 4: Simplify right side
    13,118.16x = 120,016,118.29
  5. Step 5: Solve for x
    x = 120,016,118.29/13,118.16
  6. Step 6: Final answer
    x = 9,148.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.