Home / 9,812.48-14,719.93-3,149.42

Finding the Fourth Proportional to 9,812.48, 14,719.93 and 3,149.42

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Solution

The fourth proportional to 9,812.48, 14,719.93 and 3,149.42 is: 4,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.48 : 14,719.93 = 3,149.42 : x
  2. Step 2: Convert to fraction form
    9,812.48/14,719.93 = 3,149.42/x
  3. Step 3: Cross multiply
    9,812.48x = 14,719.93 × 3,149.42
  4. Step 4: Simplify right side
    9,812.48x = 46,359,160.47
  5. Step 5: Solve for x
    x = 46,359,160.47/9,812.48
  6. Step 6: Final answer
    x = 4,724.51

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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.