Home / 8,709.24-12,018.83-4,730.43

Finding the Fourth Proportional to 8,709.24, 12,018.83 and 4,730.43

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Solution

The fourth proportional to 8,709.24, 12,018.83 and 4,730.43 is: 6,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.24 : 12,018.83 = 4,730.43 : x
  2. Step 2: Convert to fraction form
    8,709.24/12,018.83 = 4,730.43/x
  3. Step 3: Cross multiply
    8,709.24x = 12,018.83 × 4,730.43
  4. Step 4: Simplify right side
    8,709.24x = 56,854,234.00
  5. Step 5: Solve for x
    x = 56,854,234.00/8,709.24
  6. Step 6: Final answer
    x = 6,528.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.