Home / 11,325.54-15,636.64-7,357.96

Finding the Fourth Proportional to 11,325.54, 15,636.64 and 7,357.96

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Solution

The fourth proportional to 11,325.54, 15,636.64 and 7,357.96 is: 10,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.54 : 15,636.64 = 7,357.96 : x
  2. Step 2: Convert to fraction form
    11,325.54/15,636.64 = 7,357.96/x
  3. Step 3: Cross multiply
    11,325.54x = 15,636.64 × 7,357.96
  4. Step 4: Simplify right side
    11,325.54x = 115,053,771.65
  5. Step 5: Solve for x
    x = 115,053,771.65/11,325.54
  6. Step 6: Final answer
    x = 10,158.79

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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.