Home / 11,551.16-15,945.90-7,572.44

Finding the Fourth Proportional to 11,551.16, 15,945.90 and 7,572.44

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Solution

The fourth proportional to 11,551.16, 15,945.90 and 7,572.44 is: 10,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.16 : 15,945.90 = 7,572.44 : x
  2. Step 2: Convert to fraction form
    11,551.16/15,945.90 = 7,572.44/x
  3. Step 3: Cross multiply
    11,551.16x = 15,945.90 × 7,572.44
  4. Step 4: Simplify right side
    11,551.16x = 120,749,371.00
  5. Step 5: Solve for x
    x = 120,749,371.00/11,551.16
  6. Step 6: Final answer
    x = 10,453.44

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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.