Home / 9,556.40-14,342.70-7,709.60

Finding the Fourth Proportional to 9,556.40, 14,342.70 and 7,709.60

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Solution

The fourth proportional to 9,556.40, 14,342.70 and 7,709.60 is: 11,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.40 : 14,342.70 = 7,709.60 : x
  2. Step 2: Convert to fraction form
    9,556.40/14,342.70 = 7,709.60/x
  3. Step 3: Cross multiply
    9,556.40x = 14,342.70 × 7,709.60
  4. Step 4: Simplify right side
    9,556.40x = 110,576,479.92
  5. Step 5: Solve for x
    x = 110,576,479.92/9,556.40
  6. Step 6: Final answer
    x = 11,570.93

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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.