Home / 8,599.18-12,900.78-2,675.77

Finding the Fourth Proportional to 8,599.18, 12,900.78 and 2,675.77

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Solution

The fourth proportional to 8,599.18, 12,900.78 and 2,675.77 is: 4,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.18 : 12,900.78 = 2,675.77 : x
  2. Step 2: Convert to fraction form
    8,599.18/12,900.78 = 2,675.77/x
  3. Step 3: Cross multiply
    8,599.18x = 12,900.78 × 2,675.77
  4. Step 4: Simplify right side
    8,599.18x = 34,519,520.10
  5. Step 5: Solve for x
    x = 34,519,520.10/8,599.18
  6. Step 6: Final answer
    x = 4,014.28

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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.