Home / 8,585.96-12,873.92-3,653.06

Finding the Fourth Proportional to 8,585.96, 12,873.92 and 3,653.06

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Solution

The fourth proportional to 8,585.96, 12,873.92 and 3,653.06 is: 5,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.96 : 12,873.92 = 3,653.06 : x
  2. Step 2: Convert to fraction form
    8,585.96/12,873.92 = 3,653.06/x
  3. Step 3: Cross multiply
    8,585.96x = 12,873.92 × 3,653.06
  4. Step 4: Simplify right side
    8,585.96x = 47,029,119.56
  5. Step 5: Solve for x
    x = 47,029,119.56/8,585.96
  6. Step 6: Final answer
    x = 5,477.45

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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.