Home / 10,574.07-15,859.74-3,999.41

Finding the Fourth Proportional to 10,574.07, 15,859.74 and 3,999.41

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Solution

The fourth proportional to 10,574.07, 15,859.74 and 3,999.41 is: 5,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,574.07 : 15,859.74 = 3,999.41 : x
  2. Step 2: Convert to fraction form
    10,574.07/15,859.74 = 3,999.41/x
  3. Step 3: Cross multiply
    10,574.07x = 15,859.74 × 3,999.41
  4. Step 4: Simplify right side
    10,574.07x = 63,429,523.45
  5. Step 5: Solve for x
    x = 63,429,523.45/10,574.07
  6. Step 6: Final answer
    x = 5,998.59

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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.