Home / 8,471.14-11,689.60-4,693.96

Finding the Fourth Proportional to 8,471.14, 11,689.60 and 4,693.96

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Solution

The fourth proportional to 8,471.14, 11,689.60 and 4,693.96 is: 6,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471.14 : 11,689.60 = 4,693.96 : x
  2. Step 2: Convert to fraction form
    8,471.14/11,689.60 = 4,693.96/x
  3. Step 3: Cross multiply
    8,471.14x = 11,689.60 × 4,693.96
  4. Step 4: Simplify right side
    8,471.14x = 54,870,514.82
  5. Step 5: Solve for x
    x = 54,870,514.82/8,471.14
  6. Step 6: Final answer
    x = 6,477.35

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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.