Home / 8,825.96-12,179.81-4,847.06

Finding the Fourth Proportional to 8,825.96, 12,179.81 and 4,847.06

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Solution

The fourth proportional to 8,825.96, 12,179.81 and 4,847.06 is: 6,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.96 : 12,179.81 = 4,847.06 : x
  2. Step 2: Convert to fraction form
    8,825.96/12,179.81 = 4,847.06/x
  3. Step 3: Cross multiply
    8,825.96x = 12,179.81 × 4,847.06
  4. Step 4: Simplify right side
    8,825.96x = 59,036,312.43
  5. Step 5: Solve for x
    x = 59,036,312.43/8,825.96
  6. Step 6: Final answer
    x = 6,688.94

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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.