Home / 8,811.90-12,160.87-4,833.38

Finding the Fourth Proportional to 8,811.90, 12,160.87 and 4,833.38

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Solution

The fourth proportional to 8,811.90, 12,160.87 and 4,833.38 is: 6,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.90 : 12,160.87 = 4,833.38 : x
  2. Step 2: Convert to fraction form
    8,811.90/12,160.87 = 4,833.38/x
  3. Step 3: Cross multiply
    8,811.90x = 12,160.87 × 4,833.38
  4. Step 4: Simplify right side
    8,811.90x = 58,778,124.16
  5. Step 5: Solve for x
    x = 58,778,124.16/8,811.90
  6. Step 6: Final answer
    x = 6,670.31

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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.