Home / 8,557.92-12,831.39-3,563.76

Finding the Fourth Proportional to 8,557.92, 12,831.39 and 3,563.76

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Solution

The fourth proportional to 8,557.92, 12,831.39 and 3,563.76 is: 5,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.92 : 12,831.39 = 3,563.76 : x
  2. Step 2: Convert to fraction form
    8,557.92/12,831.39 = 3,563.76/x
  3. Step 3: Cross multiply
    8,557.92x = 12,831.39 × 3,563.76
  4. Step 4: Simplify right side
    8,557.92x = 45,727,994.43
  5. Step 5: Solve for x
    x = 45,727,994.43/8,557.92
  6. Step 6: Final answer
    x = 5,343.35

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1.5x scale

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.