Home / 8,790.84-13,184.83-3,246.79

Finding the Fourth Proportional to 8,790.84, 13,184.83 and 3,246.79

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Solution

The fourth proportional to 8,790.84, 13,184.83 and 3,246.79 is: 4,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.84 : 13,184.83 = 3,246.79 : x
  2. Step 2: Convert to fraction form
    8,790.84/13,184.83 = 3,246.79/x
  3. Step 3: Cross multiply
    8,790.84x = 13,184.83 × 3,246.79
  4. Step 4: Simplify right side
    8,790.84x = 42,808,416.23
  5. Step 5: Solve for x
    x = 42,808,416.23/8,790.84
  6. Step 6: Final answer
    x = 4,869.66

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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.