Home / 12,772.28-19,157.45-4,007.00

Finding the Fourth Proportional to 12,772.28, 19,157.45 and 4,007.00

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Solution

The fourth proportional to 12,772.28, 19,157.45 and 4,007.00 is: 6,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.28 : 19,157.45 = 4,007.00 : x
  2. Step 2: Convert to fraction form
    12,772.28/19,157.45 = 4,007.00/x
  3. Step 3: Cross multiply
    12,772.28x = 19,157.45 × 4,007.00
  4. Step 4: Simplify right side
    12,772.28x = 76,763,930.01
  5. Step 5: Solve for x
    x = 76,763,930.01/12,772.28
  6. Step 6: Final answer
    x = 6,010.20

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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.