Home / 8,440.15-11,647.17-4,663.25

Finding the Fourth Proportional to 8,440.15, 11,647.17 and 4,663.25

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Solution

The fourth proportional to 8,440.15, 11,647.17 and 4,663.25 is: 6,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.15 : 11,647.17 = 4,663.25 : x
  2. Step 2: Convert to fraction form
    8,440.15/11,647.17 = 4,663.25/x
  3. Step 3: Cross multiply
    8,440.15x = 11,647.17 × 4,663.25
  4. Step 4: Simplify right side
    8,440.15x = 54,313,665.50
  5. Step 5: Solve for x
    x = 54,313,665.50/8,440.15
  6. Step 6: Final answer
    x = 6,435.15

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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.