Home / 12,152.48-18,222.24-6,294.56

Finding the Fourth Proportional to 12,152.48, 18,222.24 and 6,294.56

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Solution

The fourth proportional to 12,152.48, 18,222.24 and 6,294.56 is: 9,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.48 : 18,222.24 = 6,294.56 : x
  2. Step 2: Convert to fraction form
    12,152.48/18,222.24 = 6,294.56/x
  3. Step 3: Cross multiply
    12,152.48x = 18,222.24 × 6,294.56
  4. Step 4: Simplify right side
    12,152.48x = 114,700,983.01
  5. Step 5: Solve for x
    x = 114,700,983.01/12,152.48
  6. Step 6: Final answer
    x = 9,438.48

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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.