Home / 9,455.66-13,047.93-5,477.03

Finding the Fourth Proportional to 9,455.66, 13,047.93 and 5,477.03

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Solution

The fourth proportional to 9,455.66, 13,047.93 and 5,477.03 is: 7,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.66 : 13,047.93 = 5,477.03 : x
  2. Step 2: Convert to fraction form
    9,455.66/13,047.93 = 5,477.03/x
  3. Step 3: Cross multiply
    9,455.66x = 13,047.93 × 5,477.03
  4. Step 4: Simplify right side
    9,455.66x = 71,463,904.05
  5. Step 5: Solve for x
    x = 71,463,904.05/9,455.66
  6. Step 6: Final answer
    x = 7,557.79

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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.