Home / 11,823.65-16,316.64-6,518.56

Finding the Fourth Proportional to 11,823.65, 16,316.64 and 6,518.56

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Solution

The fourth proportional to 11,823.65, 16,316.64 and 6,518.56 is: 8,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.65 : 16,316.64 = 6,518.56 : x
  2. Step 2: Convert to fraction form
    11,823.65/16,316.64 = 6,518.56/x
  3. Step 3: Cross multiply
    11,823.65x = 16,316.64 × 6,518.56
  4. Step 4: Simplify right side
    11,823.65x = 106,360,986.64
  5. Step 5: Solve for x
    x = 106,360,986.64/11,823.65
  6. Step 6: Final answer
    x = 8,995.61

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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.