Home / 9,916.16-13,684.14-5,439.89

Finding the Fourth Proportional to 9,916.16, 13,684.14 and 5,439.89

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Solution

The fourth proportional to 9,916.16, 13,684.14 and 5,439.89 is: 7,506.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.16 : 13,684.14 = 5,439.89 : x
  2. Step 2: Convert to fraction form
    9,916.16/13,684.14 = 5,439.89/x
  3. Step 3: Cross multiply
    9,916.16x = 13,684.14 × 5,439.89
  4. Step 4: Simplify right side
    9,916.16x = 74,440,250.55
  5. Step 5: Solve for x
    x = 74,440,250.55/9,916.16
  6. Step 6: Final answer
    x = 7,506.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.