Home / 7,251.41-9,996.36-5,120.30

Finding the Fourth Proportional to 7,251.41, 9,996.36 and 5,120.30

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Solution

The fourth proportional to 7,251.41, 9,996.36 and 5,120.30 is: 7,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.41 : 9,996.36 = 5,120.30 : x
  2. Step 2: Convert to fraction form
    7,251.41/9,996.36 = 5,120.30/x
  3. Step 3: Cross multiply
    7,251.41x = 9,996.36 × 5,120.30
  4. Step 4: Simplify right side
    7,251.41x = 51,184,312.13
  5. Step 5: Solve for x
    x = 51,184,312.13/7,251.41
  6. Step 6: Final answer
    x = 7,058.54

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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.