Home / 11,038.40-16,568-4,025.20

Finding the Fourth Proportional to 11,038.40, 16,568 and 4,025.20

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Solution

The fourth proportional to 11,038.40, 16,568 and 4,025.20 is: 6,041.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.40 : 16,568 = 4,025.20 : x
  2. Step 2: Convert to fraction form
    11,038.40/16,568 = 4,025.20/x
  3. Step 3: Cross multiply
    11,038.40x = 16,568 × 4,025.20
  4. Step 4: Simplify right side
    11,038.40x = 66,689,513.60
  5. Step 5: Solve for x
    x = 66,689,513.60/11,038.40
  6. Step 6: Final answer
    x = 6,041.59

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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.