Home / 11,725.74-16,182.38-7,739.93

Finding the Fourth Proportional to 11,725.74, 16,182.38 and 7,739.93

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Solution

The fourth proportional to 11,725.74, 16,182.38 and 7,739.93 is: 10,681.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.74 : 16,182.38 = 7,739.93 : x
  2. Step 2: Convert to fraction form
    11,725.74/16,182.38 = 7,739.93/x
  3. Step 3: Cross multiply
    11,725.74x = 16,182.38 × 7,739.93
  4. Step 4: Simplify right side
    11,725.74x = 125,250,488.43
  5. Step 5: Solve for x
    x = 125,250,488.43/11,725.74
  6. Step 6: Final answer
    x = 10,681.67

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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.