Home / 8,812.81-12,161.69-4,833.95

Finding the Fourth Proportional to 8,812.81, 12,161.69 and 4,833.95

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Solution

The fourth proportional to 8,812.81, 12,161.69 and 4,833.95 is: 6,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.81 : 12,161.69 = 4,833.95 : x
  2. Step 2: Convert to fraction form
    8,812.81/12,161.69 = 4,833.95/x
  3. Step 3: Cross multiply
    8,812.81x = 12,161.69 × 4,833.95
  4. Step 4: Simplify right side
    8,812.81x = 58,789,001.38
  5. Step 5: Solve for x
    x = 58,789,001.38/8,812.81
  6. Step 6: Final answer
    x = 6,670.86

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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.