Home / 8,833.87-12,190.70-5,057.02

Finding the Fourth Proportional to 8,833.87, 12,190.70 and 5,057.02

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Solution

The fourth proportional to 8,833.87, 12,190.70 and 5,057.02 is: 6,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.87 : 12,190.70 = 5,057.02 : x
  2. Step 2: Convert to fraction form
    8,833.87/12,190.70 = 5,057.02/x
  3. Step 3: Cross multiply
    8,833.87x = 12,190.70 × 5,057.02
  4. Step 4: Simplify right side
    8,833.87x = 61,648,552.76
  5. Step 5: Solve for x
    x = 61,648,552.76/8,833.87
  6. Step 6: Final answer
    x = 6,978.66

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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.