Home / 11,950.58-16,474.70-7,970.24

Finding the Fourth Proportional to 11,950.58, 16,474.70 and 7,970.24

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Solution

The fourth proportional to 11,950.58, 16,474.70 and 7,970.24 is: 10,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.58 : 16,474.70 = 7,970.24 : x
  2. Step 2: Convert to fraction form
    11,950.58/16,474.70 = 7,970.24/x
  3. Step 3: Cross multiply
    11,950.58x = 16,474.70 × 7,970.24
  4. Step 4: Simplify right side
    11,950.58x = 131,307,190.70
  5. Step 5: Solve for x
    x = 131,307,190.70/11,950.58
  6. Step 6: Final answer
    x = 10,987.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.