Home / 8,719.35-12,034.61-5,735.48

Finding the Fourth Proportional to 8,719.35, 12,034.61 and 5,735.48

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Solution

The fourth proportional to 8,719.35, 12,034.61 and 5,735.48 is: 7,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.35 : 12,034.61 = 5,735.48 : x
  2. Step 2: Convert to fraction form
    8,719.35/12,034.61 = 5,735.48/x
  3. Step 3: Cross multiply
    8,719.35x = 12,034.61 × 5,735.48
  4. Step 4: Simplify right side
    8,719.35x = 69,024,197.62
  5. Step 5: Solve for x
    x = 69,024,197.62/8,719.35
  6. Step 6: Final answer
    x = 7,916.21

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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.