Home / 7,992.51-11,028.09-4,455.06

Finding the Fourth Proportional to 7,992.51, 11,028.09 and 4,455.06

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Solution

The fourth proportional to 7,992.51, 11,028.09 and 4,455.06 is: 6,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.51 : 11,028.09 = 4,455.06 : x
  2. Step 2: Convert to fraction form
    7,992.51/11,028.09 = 4,455.06/x
  3. Step 3: Cross multiply
    7,992.51x = 11,028.09 × 4,455.06
  4. Step 4: Simplify right side
    7,992.51x = 49,130,802.64
  5. Step 5: Solve for x
    x = 49,130,802.64/7,992.51
  6. Step 6: Final answer
    x = 6,147.11

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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.