Home / 8,783.98-13,198.68-6,606.70

Finding the Fourth Proportional to 8,783.98, 13,198.68 and 6,606.70

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Solution

The fourth proportional to 8,783.98, 13,198.68 and 6,606.70 is: 9,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.98 : 13,198.68 = 6,606.70 : x
  2. Step 2: Convert to fraction form
    8,783.98/13,198.68 = 6,606.70/x
  3. Step 3: Cross multiply
    8,783.98x = 13,198.68 × 6,606.70
  4. Step 4: Simplify right side
    8,783.98x = 87,199,719.16
  5. Step 5: Solve for x
    x = 87,199,719.16/8,783.98
  6. Step 6: Final answer
    x = 9,927.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.