Home / 30,772.88-46,154.40-8,583.92

Finding the Fourth Proportional to 30,772.88, 46,154.40 and 8,583.92

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Solution

The fourth proportional to 30,772.88, 46,154.40 and 8,583.92 is: 12,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.88 : 46,154.40 = 8,583.92 : x
  2. Step 2: Convert to fraction form
    30,772.88/46,154.40 = 8,583.92/x
  3. Step 3: Cross multiply
    30,772.88x = 46,154.40 × 8,583.92
  4. Step 4: Simplify right side
    30,772.88x = 396,185,677.25
  5. Step 5: Solve for x
    x = 396,185,677.25/30,772.88
  6. Step 6: Final answer
    x = 12,874.51

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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.