Home / 8,143.13-12,216.35-2,596.32

Finding the Fourth Proportional to 8,143.13, 12,216.35 and 2,596.32

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Solution

The fourth proportional to 8,143.13, 12,216.35 and 2,596.32 is: 3,895.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.13 : 12,216.35 = 2,596.32 : x
  2. Step 2: Convert to fraction form
    8,143.13/12,216.35 = 2,596.32/x
  3. Step 3: Cross multiply
    8,143.13x = 12,216.35 × 2,596.32
  4. Step 4: Simplify right side
    8,143.13x = 31,717,560.32
  5. Step 5: Solve for x
    x = 31,717,560.32/8,143.13
  6. Step 6: Final answer
    x = 3,895.01

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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.