Home / 13,197.46-19,782.32-4,872.18

Finding the Fourth Proportional to 13,197.46, 19,782.32 and 4,872.18

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Solution

The fourth proportional to 13,197.46, 19,782.32 and 4,872.18 is: 7,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.46 : 19,782.32 = 4,872.18 : x
  2. Step 2: Convert to fraction form
    13,197.46/19,782.32 = 4,872.18/x
  3. Step 3: Cross multiply
    13,197.46x = 19,782.32 × 4,872.18
  4. Step 4: Simplify right side
    13,197.46x = 96,383,023.86
  5. Step 5: Solve for x
    x = 96,383,023.86/13,197.46
  6. Step 6: Final answer
    x = 7,303.15

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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.