Home / 11,272.42-15,560.73-7,025.60

Finding the Fourth Proportional to 11,272.42, 15,560.73 and 7,025.60

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Solution

The fourth proportional to 11,272.42, 15,560.73 and 7,025.60 is: 9,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.42 : 15,560.73 = 7,025.60 : x
  2. Step 2: Convert to fraction form
    11,272.42/15,560.73 = 7,025.60/x
  3. Step 3: Cross multiply
    11,272.42x = 15,560.73 × 7,025.60
  4. Step 4: Simplify right side
    11,272.42x = 109,323,457.70
  5. Step 5: Solve for x
    x = 109,323,457.70/11,272.42
  6. Step 6: Final answer
    x = 9,698.32

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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.