Home / 10,454.90-15,682.26-2,663.70

Finding the Fourth Proportional to 10,454.90, 15,682.26 and 2,663.70

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Solution

The fourth proportional to 10,454.90, 15,682.26 and 2,663.70 is: 3,995.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.90 : 15,682.26 = 2,663.70 : x
  2. Step 2: Convert to fraction form
    10,454.90/15,682.26 = 2,663.70/x
  3. Step 3: Cross multiply
    10,454.90x = 15,682.26 × 2,663.70
  4. Step 4: Simplify right side
    10,454.90x = 41,772,835.96
  5. Step 5: Solve for x
    x = 41,772,835.96/10,454.90
  6. Step 6: Final answer
    x = 3,995.53

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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.