Home / 8,682.16-13,023.15-2,108.35

Finding the Fourth Proportional to 8,682.16, 13,023.15 and 2,108.35

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Solution

The fourth proportional to 8,682.16, 13,023.15 and 2,108.35 is: 3,162.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.16 : 13,023.15 = 2,108.35 : x
  2. Step 2: Convert to fraction form
    8,682.16/13,023.15 = 2,108.35/x
  3. Step 3: Cross multiply
    8,682.16x = 13,023.15 × 2,108.35
  4. Step 4: Simplify right side
    8,682.16x = 27,457,358.30
  5. Step 5: Solve for x
    x = 27,457,358.30/8,682.16
  6. Step 6: Final answer
    x = 3,162.50

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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.