Home / 10,145.48-15,220.26-3,576.32

Finding the Fourth Proportional to 10,145.48, 15,220.26 and 3,576.32

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Solution

The fourth proportional to 10,145.48, 15,220.26 and 3,576.32 is: 5,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.48 : 15,220.26 = 3,576.32 : x
  2. Step 2: Convert to fraction form
    10,145.48/15,220.26 = 3,576.32/x
  3. Step 3: Cross multiply
    10,145.48x = 15,220.26 × 3,576.32
  4. Step 4: Simplify right side
    10,145.48x = 54,432,520.24
  5. Step 5: Solve for x
    x = 54,432,520.24/10,145.48
  6. Step 6: Final answer
    x = 5,365.20

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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.