Home / 11,420.91-17,130.33-4,024.98

Finding the Fourth Proportional to 11,420.91, 17,130.33 and 4,024.98

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Solution

The fourth proportional to 11,420.91, 17,130.33 and 4,024.98 is: 6,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.91 : 17,130.33 = 4,024.98 : x
  2. Step 2: Convert to fraction form
    11,420.91/17,130.33 = 4,024.98/x
  3. Step 3: Cross multiply
    11,420.91x = 17,130.33 × 4,024.98
  4. Step 4: Simplify right side
    11,420.91x = 68,949,235.64
  5. Step 5: Solve for x
    x = 68,949,235.64/11,420.91
  6. Step 6: Final answer
    x = 6,037.11

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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.