Home / 8,236.85-12,355.47-2,393.51

Finding the Fourth Proportional to 8,236.85, 12,355.47 and 2,393.51

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Solution

The fourth proportional to 8,236.85, 12,355.47 and 2,393.51 is: 3,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.85 : 12,355.47 = 2,393.51 : x
  2. Step 2: Convert to fraction form
    8,236.85/12,355.47 = 2,393.51/x
  3. Step 3: Cross multiply
    8,236.85x = 12,355.47 × 2,393.51
  4. Step 4: Simplify right side
    8,236.85x = 29,572,879.22
  5. Step 5: Solve for x
    x = 29,572,879.22/8,236.85
  6. Step 6: Final answer
    x = 3,590.32

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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.