Home / 7,816.72-10,788.24-4,831.96

Finding the Fourth Proportional to 7,816.72, 10,788.24 and 4,831.96

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Solution

The fourth proportional to 7,816.72, 10,788.24 and 4,831.96 is: 6,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.72 : 10,788.24 = 4,831.96 : x
  2. Step 2: Convert to fraction form
    7,816.72/10,788.24 = 4,831.96/x
  3. Step 3: Cross multiply
    7,816.72x = 10,788.24 × 4,831.96
  4. Step 4: Simplify right side
    7,816.72x = 52,128,344.15
  5. Step 5: Solve for x
    x = 52,128,344.15/7,816.72
  6. Step 6: Final answer
    x = 6,668.83

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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.