Home / 11,004.97-15,182.88-7,230.16

Finding the Fourth Proportional to 11,004.97, 15,182.88 and 7,230.16

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Solution

The fourth proportional to 11,004.97, 15,182.88 and 7,230.16 is: 9,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.97 : 15,182.88 = 7,230.16 : x
  2. Step 2: Convert to fraction form
    11,004.97/15,182.88 = 7,230.16/x
  3. Step 3: Cross multiply
    11,004.97x = 15,182.88 × 7,230.16
  4. Step 4: Simplify right side
    11,004.97x = 109,774,651.66
  5. Step 5: Solve for x
    x = 109,774,651.66/11,004.97
  6. Step 6: Final answer
    x = 9,975.01

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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.