Home / 10,367.56-15,551.34-6,879.52

Finding the Fourth Proportional to 10,367.56, 15,551.34 and 6,879.52

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Solution

The fourth proportional to 10,367.56, 15,551.34 and 6,879.52 is: 10,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.56 : 15,551.34 = 6,879.52 : x
  2. Step 2: Convert to fraction form
    10,367.56/15,551.34 = 6,879.52/x
  3. Step 3: Cross multiply
    10,367.56x = 15,551.34 × 6,879.52
  4. Step 4: Simplify right side
    10,367.56x = 106,985,754.56
  5. Step 5: Solve for x
    x = 106,985,754.56/10,367.56
  6. Step 6: Final answer
    x = 10,319.28

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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.