Home / 8,716.14-13,071.05-4,770.31

Finding the Fourth Proportional to 8,716.14, 13,071.05 and 4,770.31

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Solution

The fourth proportional to 8,716.14, 13,071.05 and 4,770.31 is: 7,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.14 : 13,071.05 = 4,770.31 : x
  2. Step 2: Convert to fraction form
    8,716.14/13,071.05 = 4,770.31/x
  3. Step 3: Cross multiply
    8,716.14x = 13,071.05 × 4,770.31
  4. Step 4: Simplify right side
    8,716.14x = 62,352,936.67
  5. Step 5: Solve for x
    x = 62,352,936.67/8,716.14
  6. Step 6: Final answer
    x = 7,153.74

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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.