Home / 8,790.21-12,100.73-6,797.00

Finding the Fourth Proportional to 8,790.21, 12,100.73 and 6,797.00

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Solution

The fourth proportional to 8,790.21, 12,100.73 and 6,797.00 is: 9,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.21 : 12,100.73 = 6,797.00 : x
  2. Step 2: Convert to fraction form
    8,790.21/12,100.73 = 6,797.00/x
  3. Step 3: Cross multiply
    8,790.21x = 12,100.73 × 6,797.00
  4. Step 4: Simplify right side
    8,790.21x = 82,248,567.32
  5. Step 5: Solve for x
    x = 82,248,567.32/8,790.21
  6. Step 6: Final answer
    x = 9,356.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.