Home / 8,466.21-12,701.93-3,790.17

Finding the Fourth Proportional to 8,466.21, 12,701.93 and 3,790.17

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Solution

The fourth proportional to 8,466.21, 12,701.93 and 3,790.17 is: 5,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.21 : 12,701.93 = 3,790.17 : x
  2. Step 2: Convert to fraction form
    8,466.21/12,701.93 = 3,790.17/x
  3. Step 3: Cross multiply
    8,466.21x = 12,701.93 × 3,790.17
  4. Step 4: Simplify right side
    8,466.21x = 48,142,455.08
  5. Step 5: Solve for x
    x = 48,142,455.08/8,466.21
  6. Step 6: Final answer
    x = 5,686.42

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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.