Home / 9,781.62-14,671.92-3,206.94

Finding the Fourth Proportional to 9,781.62, 14,671.92 and 3,206.94

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Solution

The fourth proportional to 9,781.62, 14,671.92 and 3,206.94 is: 4,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.62 : 14,671.92 = 3,206.94 : x
  2. Step 2: Convert to fraction form
    9,781.62/14,671.92 = 3,206.94/x
  3. Step 3: Cross multiply
    9,781.62x = 14,671.92 × 3,206.94
  4. Step 4: Simplify right side
    9,781.62x = 47,051,967.12
  5. Step 5: Solve for x
    x = 47,051,967.12/9,781.62
  6. Step 6: Final answer
    x = 4,810.24

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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.