Home / 10,144.64-15,216.96-3,569.32

Finding the Fourth Proportional to 10,144.64, 15,216.96 and 3,569.32

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Solution

The fourth proportional to 10,144.64, 15,216.96 and 3,569.32 is: 5,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.64 : 15,216.96 = 3,569.32 : x
  2. Step 2: Convert to fraction form
    10,144.64/15,216.96 = 3,569.32/x
  3. Step 3: Cross multiply
    10,144.64x = 15,216.96 × 3,569.32
  4. Step 4: Simplify right side
    10,144.64x = 54,314,146.48
  5. Step 5: Solve for x
    x = 54,314,146.48/10,144.64
  6. Step 6: Final answer
    x = 5,353.97

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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.