Home / 8,636.43-11,916.34-5,097.75

Finding the Fourth Proportional to 8,636.43, 11,916.34 and 5,097.75

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Solution

The fourth proportional to 8,636.43, 11,916.34 and 5,097.75 is: 7,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.43 : 11,916.34 = 5,097.75 : x
  2. Step 2: Convert to fraction form
    8,636.43/11,916.34 = 5,097.75/x
  3. Step 3: Cross multiply
    8,636.43x = 11,916.34 × 5,097.75
  4. Step 4: Simplify right side
    8,636.43x = 60,746,522.24
  5. Step 5: Solve for x
    x = 60,746,522.24/8,636.43
  6. Step 6: Final answer
    x = 7,033.75

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1.5x scale

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.