Home / 11,282.04-15,569.82-7,091.64

Finding the Fourth Proportional to 11,282.04, 15,569.82 and 7,091.64

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Solution

The fourth proportional to 11,282.04, 15,569.82 and 7,091.64 is: 9,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.04 : 15,569.82 = 7,091.64 : x
  2. Step 2: Convert to fraction form
    11,282.04/15,569.82 = 7,091.64/x
  3. Step 3: Cross multiply
    11,282.04x = 15,569.82 × 7,091.64
  4. Step 4: Simplify right side
    11,282.04x = 110,415,558.30
  5. Step 5: Solve for x
    x = 110,415,558.30/11,282.04
  6. Step 6: Final answer
    x = 9,786.84

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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.