Home / 7,410.36-10,226.12-4,135.80

Finding the Fourth Proportional to 7,410.36, 10,226.12 and 4,135.80

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Solution

The fourth proportional to 7,410.36, 10,226.12 and 4,135.80 is: 5,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.36 : 10,226.12 = 4,135.80 : x
  2. Step 2: Convert to fraction form
    7,410.36/10,226.12 = 4,135.80/x
  3. Step 3: Cross multiply
    7,410.36x = 10,226.12 × 4,135.80
  4. Step 4: Simplify right side
    7,410.36x = 42,293,187.10
  5. Step 5: Solve for x
    x = 42,293,187.10/7,410.36
  6. Step 6: Final answer
    x = 5,707.31

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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.