Home / 11,609.06-16,020.32-6,303.83

Finding the Fourth Proportional to 11,609.06, 16,020.32 and 6,303.83

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Solution

The fourth proportional to 11,609.06, 16,020.32 and 6,303.83 is: 8,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.06 : 16,020.32 = 6,303.83 : x
  2. Step 2: Convert to fraction form
    11,609.06/16,020.32 = 6,303.83/x
  3. Step 3: Cross multiply
    11,609.06x = 16,020.32 × 6,303.83
  4. Step 4: Simplify right side
    11,609.06x = 100,989,262.20
  5. Step 5: Solve for x
    x = 100,989,262.20/11,609.06
  6. Step 6: Final answer
    x = 8,699.18

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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.