Home / 8,837.69-12,183.45-7,029.31

Finding the Fourth Proportional to 8,837.69, 12,183.45 and 7,029.31

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Solution

The fourth proportional to 8,837.69, 12,183.45 and 7,029.31 is: 9,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.69 : 12,183.45 = 7,029.31 : x
  2. Step 2: Convert to fraction form
    8,837.69/12,183.45 = 7,029.31/x
  3. Step 3: Cross multiply
    8,837.69x = 12,183.45 × 7,029.31
  4. Step 4: Simplify right side
    8,837.69x = 85,641,246.92
  5. Step 5: Solve for x
    x = 85,641,246.92/8,837.69
  6. Step 6: Final answer
    x = 9,690.46

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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.