Home / 10,575.38-15,863.31-3,555.48

Finding the Fourth Proportional to 10,575.38, 15,863.31 and 3,555.48

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Solution

The fourth proportional to 10,575.38, 15,863.31 and 3,555.48 is: 5,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.38 : 15,863.31 = 3,555.48 : x
  2. Step 2: Convert to fraction form
    10,575.38/15,863.31 = 3,555.48/x
  3. Step 3: Cross multiply
    10,575.38x = 15,863.31 × 3,555.48
  4. Step 4: Simplify right side
    10,575.38x = 56,401,681.44
  5. Step 5: Solve for x
    x = 56,401,681.44/10,575.38
  6. Step 6: Final answer
    x = 5,333.30

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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.