Home / 11,295.35-15,568.12-7,511.75

Finding the Fourth Proportional to 11,295.35, 15,568.12 and 7,511.75

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Solution

The fourth proportional to 11,295.35, 15,568.12 and 7,511.75 is: 10,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.35 : 15,568.12 = 7,511.75 : x
  2. Step 2: Convert to fraction form
    11,295.35/15,568.12 = 7,511.75/x
  3. Step 3: Cross multiply
    11,295.35x = 15,568.12 × 7,511.75
  4. Step 4: Simplify right side
    11,295.35x = 116,943,815.34
  5. Step 5: Solve for x
    x = 116,943,815.34/11,295.35
  6. Step 6: Final answer
    x = 10,353.27

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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.