Home / 12,024.28-18,036.44-5,004.20

Finding the Fourth Proportional to 12,024.28, 18,036.44 and 5,004.20

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Solution

The fourth proportional to 12,024.28, 18,036.44 and 5,004.20 is: 7,506.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.28 : 18,036.44 = 5,004.20 : x
  2. Step 2: Convert to fraction form
    12,024.28/18,036.44 = 5,004.20/x
  3. Step 3: Cross multiply
    12,024.28x = 18,036.44 × 5,004.20
  4. Step 4: Simplify right side
    12,024.28x = 90,257,953.05
  5. Step 5: Solve for x
    x = 90,257,953.05/12,024.28
  6. Step 6: Final answer
    x = 7,506.31

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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.