Home / 11,277.07-15,562.61-7,305.09

Finding the Fourth Proportional to 11,277.07, 15,562.61 and 7,305.09

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Solution

The fourth proportional to 11,277.07, 15,562.61 and 7,305.09 is: 10,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.07 : 15,562.61 = 7,305.09 : x
  2. Step 2: Convert to fraction form
    11,277.07/15,562.61 = 7,305.09/x
  3. Step 3: Cross multiply
    11,277.07x = 15,562.61 × 7,305.09
  4. Step 4: Simplify right side
    11,277.07x = 113,686,230.16
  5. Step 5: Solve for x
    x = 113,686,230.16/11,277.07
  6. Step 6: Final answer
    x = 10,081.19

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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.