Home / 9,447.29-14,172.48-2,871.95

Finding the Fourth Proportional to 9,447.29, 14,172.48 and 2,871.95

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Solution

The fourth proportional to 9,447.29, 14,172.48 and 2,871.95 is: 4,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.29 : 14,172.48 = 2,871.95 : x
  2. Step 2: Convert to fraction form
    9,447.29/14,172.48 = 2,871.95/x
  3. Step 3: Cross multiply
    9,447.29x = 14,172.48 × 2,871.95
  4. Step 4: Simplify right side
    9,447.29x = 40,702,583.07
  5. Step 5: Solve for x
    x = 40,702,583.07/9,447.29
  6. Step 6: Final answer
    x = 4,308.39

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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.