Home / 9,222.12-13,831.11-2,646.84

Finding the Fourth Proportional to 9,222.12, 13,831.11 and 2,646.84

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Solution

The fourth proportional to 9,222.12, 13,831.11 and 2,646.84 is: 3,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.12 : 13,831.11 = 2,646.84 : x
  2. Step 2: Convert to fraction form
    9,222.12/13,831.11 = 2,646.84/x
  3. Step 3: Cross multiply
    9,222.12x = 13,831.11 × 2,646.84
  4. Step 4: Simplify right side
    9,222.12x = 36,608,735.19
  5. Step 5: Solve for x
    x = 36,608,735.19/9,222.12
  6. Step 6: Final answer
    x = 3,969.67

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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.