Home / 8,442.96-11,651.82-4,859.13

Finding the Fourth Proportional to 8,442.96, 11,651.82 and 4,859.13

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Solution

The fourth proportional to 8,442.96, 11,651.82 and 4,859.13 is: 6,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.96 : 11,651.82 = 4,859.13 : x
  2. Step 2: Convert to fraction form
    8,442.96/11,651.82 = 4,859.13/x
  3. Step 3: Cross multiply
    8,442.96x = 11,651.82 × 4,859.13
  4. Step 4: Simplify right side
    8,442.96x = 56,617,708.12
  5. Step 5: Solve for x
    x = 56,617,708.12/8,442.96
  6. Step 6: Final answer
    x = 6,705.91

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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.