Home / 8,345.74-12,518.54-3,350.34

Finding the Fourth Proportional to 8,345.74, 12,518.54 and 3,350.34

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Solution

The fourth proportional to 8,345.74, 12,518.54 and 3,350.34 is: 5,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.74 : 12,518.54 = 3,350.34 : x
  2. Step 2: Convert to fraction form
    8,345.74/12,518.54 = 3,350.34/x
  3. Step 3: Cross multiply
    8,345.74x = 12,518.54 × 3,350.34
  4. Step 4: Simplify right side
    8,345.74x = 41,941,365.30
  5. Step 5: Solve for x
    x = 41,941,365.30/8,345.74
  6. Step 6: Final answer
    x = 5,025.48

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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.