Home / 9,786.10-14,680.98-3,214.18

Finding the Fourth Proportional to 9,786.10, 14,680.98 and 3,214.18

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Solution

The fourth proportional to 9,786.10, 14,680.98 and 3,214.18 is: 4,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.10 : 14,680.98 = 3,214.18 : x
  2. Step 2: Convert to fraction form
    9,786.10/14,680.98 = 3,214.18/x
  3. Step 3: Cross multiply
    9,786.10x = 14,680.98 × 3,214.18
  4. Step 4: Simplify right side
    9,786.10x = 47,187,312.30
  5. Step 5: Solve for x
    x = 47,187,312.30/9,786.10
  6. Step 6: Final answer
    x = 4,821.87

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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.