Home / 8,261.22-12,389.04-4,565.16

Finding the Fourth Proportional to 8,261.22, 12,389.04 and 4,565.16

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Solution

The fourth proportional to 8,261.22, 12,389.04 and 4,565.16 is: 6,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.22 : 12,389.04 = 4,565.16 : x
  2. Step 2: Convert to fraction form
    8,261.22/12,389.04 = 4,565.16/x
  3. Step 3: Cross multiply
    8,261.22x = 12,389.04 × 4,565.16
  4. Step 4: Simplify right side
    8,261.22x = 56,557,949.85
  5. Step 5: Solve for x
    x = 56,557,949.85/8,261.22
  6. Step 6: Final answer
    x = 6,846.20

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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.