Home / 8,812.90-12,161.75-4,834.03

Finding the Fourth Proportional to 8,812.90, 12,161.75 and 4,834.03

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Solution

The fourth proportional to 8,812.90, 12,161.75 and 4,834.03 is: 6,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.90 : 12,161.75 = 4,834.03 : x
  2. Step 2: Convert to fraction form
    8,812.90/12,161.75 = 4,834.03/x
  3. Step 3: Cross multiply
    8,812.90x = 12,161.75 × 4,834.03
  4. Step 4: Simplify right side
    8,812.90x = 58,790,232.58
  5. Step 5: Solve for x
    x = 58,790,232.58/8,812.90
  6. Step 6: Final answer
    x = 6,670.93

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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.