Home / 7,604.28-11,421.12-6,306.12

Finding the Fourth Proportional to 7,604.28, 11,421.12 and 6,306.12

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Solution

The fourth proportional to 7,604.28, 11,421.12 and 6,306.12 is: 9,471.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,604.28 : 11,421.12 = 6,306.12 : x
  2. Step 2: Convert to fraction form
    7,604.28/11,421.12 = 6,306.12/x
  3. Step 3: Cross multiply
    7,604.28x = 11,421.12 × 6,306.12
  4. Step 4: Simplify right side
    7,604.28x = 72,022,953.25
  5. Step 5: Solve for x
    x = 72,022,953.25/7,604.28
  6. Step 6: Final answer
    x = 9,471.37

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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.