Home / 9,222.18-13,812.46-7,561.43

Finding the Fourth Proportional to 9,222.18, 13,812.46 and 7,561.43

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Solution

The fourth proportional to 9,222.18, 13,812.46 and 7,561.43 is: 11,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.18 : 13,812.46 = 7,561.43 : x
  2. Step 2: Convert to fraction form
    9,222.18/13,812.46 = 7,561.43/x
  3. Step 3: Cross multiply
    9,222.18x = 13,812.46 × 7,561.43
  4. Step 4: Simplify right side
    9,222.18x = 104,441,861.45
  5. Step 5: Solve for x
    x = 104,441,861.45/9,222.18
  6. Step 6: Final answer
    x = 11,325.07

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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.