Home / 11,485.23-15,845.58-7,508.67

Finding the Fourth Proportional to 11,485.23, 15,845.58 and 7,508.67

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Solution

The fourth proportional to 11,485.23, 15,845.58 and 7,508.67 is: 10,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.23 : 15,845.58 = 7,508.67 : x
  2. Step 2: Convert to fraction form
    11,485.23/15,845.58 = 7,508.67/x
  3. Step 3: Cross multiply
    11,485.23x = 15,845.58 × 7,508.67
  4. Step 4: Simplify right side
    11,485.23x = 118,979,231.18
  5. Step 5: Solve for x
    x = 118,979,231.18/11,485.23
  6. Step 6: Final answer
    x = 10,359.33

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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.