Home / 7,408.36-11,119.02-4,814.20

Finding the Fourth Proportional to 7,408.36, 11,119.02 and 4,814.20

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Solution

The fourth proportional to 7,408.36, 11,119.02 and 4,814.20 is: 7,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.36 : 11,119.02 = 4,814.20 : x
  2. Step 2: Convert to fraction form
    7,408.36/11,119.02 = 4,814.20/x
  3. Step 3: Cross multiply
    7,408.36x = 11,119.02 × 4,814.20
  4. Step 4: Simplify right side
    7,408.36x = 53,529,186.08
  5. Step 5: Solve for x
    x = 53,529,186.08/7,408.36
  6. Step 6: Final answer
    x = 7,225.51

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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.