Home / 8,025.89-11,078.10-4,670.21

Finding the Fourth Proportional to 8,025.89, 11,078.10 and 4,670.21

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Solution

The fourth proportional to 8,025.89, 11,078.10 and 4,670.21 is: 6,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.89 : 11,078.10 = 4,670.21 : x
  2. Step 2: Convert to fraction form
    8,025.89/11,078.10 = 4,670.21/x
  3. Step 3: Cross multiply
    8,025.89x = 11,078.10 × 4,670.21
  4. Step 4: Simplify right side
    8,025.89x = 51,736,998.01
  5. Step 5: Solve for x
    x = 51,736,998.01/8,025.89
  6. Step 6: Final answer
    x = 6,446.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.