Home / 11,003.32-15,172.94-7,024.60

Finding the Fourth Proportional to 11,003.32, 15,172.94 and 7,024.60

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Solution

The fourth proportional to 11,003.32, 15,172.94 and 7,024.60 is: 9,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.32 : 15,172.94 = 7,024.60 : x
  2. Step 2: Convert to fraction form
    11,003.32/15,172.94 = 7,024.60/x
  3. Step 3: Cross multiply
    11,003.32x = 15,172.94 × 7,024.60
  4. Step 4: Simplify right side
    11,003.32x = 106,583,834.32
  5. Step 5: Solve for x
    x = 106,583,834.32/11,003.32
  6. Step 6: Final answer
    x = 9,686.52

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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.