Home / 10,449.09-15,679.03-6,941.52

Finding the Fourth Proportional to 10,449.09, 15,679.03 and 6,941.52

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Solution

The fourth proportional to 10,449.09, 15,679.03 and 6,941.52 is: 10,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.09 : 15,679.03 = 6,941.52 : x
  2. Step 2: Convert to fraction form
    10,449.09/15,679.03 = 6,941.52/x
  3. Step 3: Cross multiply
    10,449.09x = 15,679.03 × 6,941.52
  4. Step 4: Simplify right side
    10,449.09x = 108,836,300.33
  5. Step 5: Solve for x
    x = 108,836,300.33/10,449.09
  6. Step 6: Final answer
    x = 10,415.86

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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.