Home / 10,613.62-15,916.26-3,591.70

Finding the Fourth Proportional to 10,613.62, 15,916.26 and 3,591.70

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Solution

The fourth proportional to 10,613.62, 15,916.26 and 3,591.70 is: 5,386.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.62 : 15,916.26 = 3,591.70 : x
  2. Step 2: Convert to fraction form
    10,613.62/15,916.26 = 3,591.70/x
  3. Step 3: Cross multiply
    10,613.62x = 15,916.26 × 3,591.70
  4. Step 4: Simplify right side
    10,613.62x = 57,166,431.04
  5. Step 5: Solve for x
    x = 57,166,431.04/10,613.62
  6. Step 6: Final answer
    x = 5,386.14

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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.