Home / 9,050.09-12,489.62-5,072.48

Finding the Fourth Proportional to 9,050.09, 12,489.62 and 5,072.48

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Solution

The fourth proportional to 9,050.09, 12,489.62 and 5,072.48 is: 7,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.09 : 12,489.62 = 5,072.48 : x
  2. Step 2: Convert to fraction form
    9,050.09/12,489.62 = 5,072.48/x
  3. Step 3: Cross multiply
    9,050.09x = 12,489.62 × 5,072.48
  4. Step 4: Simplify right side
    9,050.09x = 63,353,259.85
  5. Step 5: Solve for x
    x = 63,353,259.85/9,050.09
  6. Step 6: Final answer
    x = 7,000.29

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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.