Home / 10,615.44-15,921.36-2,824.32

Finding the Fourth Proportional to 10,615.44, 15,921.36 and 2,824.32

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Solution

The fourth proportional to 10,615.44, 15,921.36 and 2,824.32 is: 4,236.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.44 : 15,921.36 = 2,824.32 : x
  2. Step 2: Convert to fraction form
    10,615.44/15,921.36 = 2,824.32/x
  3. Step 3: Cross multiply
    10,615.44x = 15,921.36 × 2,824.32
  4. Step 4: Simplify right side
    10,615.44x = 44,967,015.48
  5. Step 5: Solve for x
    x = 44,967,015.48/10,615.44
  6. Step 6: Final answer
    x = 4,236.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.