Home / 9,485.77-13,090.55-5,236.81

Finding the Fourth Proportional to 9,485.77, 13,090.55 and 5,236.81

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Solution

The fourth proportional to 9,485.77, 13,090.55 and 5,236.81 is: 7,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.77 : 13,090.55 = 5,236.81 : x
  2. Step 2: Convert to fraction form
    9,485.77/13,090.55 = 5,236.81/x
  3. Step 3: Cross multiply
    9,485.77x = 13,090.55 × 5,236.81
  4. Step 4: Simplify right side
    9,485.77x = 68,552,723.15
  5. Step 5: Solve for x
    x = 68,552,723.15/9,485.77
  6. Step 6: Final answer
    x = 7,226.90

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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.