Home / 7,792.38-10,746.18-5,135.16

Finding the Fourth Proportional to 7,792.38, 10,746.18 and 5,135.16

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Solution

The fourth proportional to 7,792.38, 10,746.18 and 5,135.16 is: 7,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.38 : 10,746.18 = 5,135.16 : x
  2. Step 2: Convert to fraction form
    7,792.38/10,746.18 = 5,135.16/x
  3. Step 3: Cross multiply
    7,792.38x = 10,746.18 × 5,135.16
  4. Step 4: Simplify right side
    7,792.38x = 55,183,353.69
  5. Step 5: Solve for x
    x = 55,183,353.69/7,792.38
  6. Step 6: Final answer
    x = 7,081.71

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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.