Home / 6,831.99-9,426.11-4,176.68

Finding the Fourth Proportional to 6,831.99, 9,426.11 and 4,176.68

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Solution

The fourth proportional to 6,831.99, 9,426.11 and 4,176.68 is: 5,762.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.99 : 9,426.11 = 4,176.68 : x
  2. Step 2: Convert to fraction form
    6,831.99/9,426.11 = 4,176.68/x
  3. Step 3: Cross multiply
    6,831.99x = 9,426.11 × 4,176.68
  4. Step 4: Simplify right side
    6,831.99x = 39,369,777.10
  5. Step 5: Solve for x
    x = 39,369,777.10/6,831.99
  6. Step 6: Final answer
    x = 5,762.56

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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.