Home / 11,678.24-17,508.87-4,656.14

Finding the Fourth Proportional to 11,678.24, 17,508.87 and 4,656.14

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Solution

The fourth proportional to 11,678.24, 17,508.87 and 4,656.14 is: 6,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.24 : 17,508.87 = 4,656.14 : x
  2. Step 2: Convert to fraction form
    11,678.24/17,508.87 = 4,656.14/x
  3. Step 3: Cross multiply
    11,678.24x = 17,508.87 × 4,656.14
  4. Step 4: Simplify right side
    11,678.24x = 81,523,826.56
  5. Step 5: Solve for x
    x = 81,523,826.56/11,678.24
  6. Step 6: Final answer
    x = 6,980.83

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1.5x scale

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.