Home / 10,778.37-16,148.09-4,527.19

Finding the Fourth Proportional to 10,778.37, 16,148.09 and 4,527.19

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Solution

The fourth proportional to 10,778.37, 16,148.09 and 4,527.19 is: 6,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.37 : 16,148.09 = 4,527.19 : x
  2. Step 2: Convert to fraction form
    10,778.37/16,148.09 = 4,527.19/x
  3. Step 3: Cross multiply
    10,778.37x = 16,148.09 × 4,527.19
  4. Step 4: Simplify right side
    10,778.37x = 73,105,503.07
  5. Step 5: Solve for x
    x = 73,105,503.07/10,778.37
  6. Step 6: Final answer
    x = 6,782.61

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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.