Home / 11,025.18-15,201.32-9,603.63

Finding the Fourth Proportional to 11,025.18, 15,201.32 and 9,603.63

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Solution

The fourth proportional to 11,025.18, 15,201.32 and 9,603.63 is: 13,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.18 : 15,201.32 = 9,603.63 : x
  2. Step 2: Convert to fraction form
    11,025.18/15,201.32 = 9,603.63/x
  3. Step 3: Cross multiply
    11,025.18x = 15,201.32 × 9,603.63
  4. Step 4: Simplify right side
    11,025.18x = 145,987,804.77
  5. Step 5: Solve for x
    x = 145,987,804.77/11,025.18
  6. Step 6: Final answer
    x = 13,241.31

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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.