Home / 7,852.90-11,779.75-2,009.56

Finding the Fourth Proportional to 7,852.90, 11,779.75 and 2,009.56

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Solution

The fourth proportional to 7,852.90, 11,779.75 and 2,009.56 is: 3,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.90 : 11,779.75 = 2,009.56 : x
  2. Step 2: Convert to fraction form
    7,852.90/11,779.75 = 2,009.56/x
  3. Step 3: Cross multiply
    7,852.90x = 11,779.75 × 2,009.56
  4. Step 4: Simplify right side
    7,852.90x = 23,672,114.41
  5. Step 5: Solve for x
    x = 23,672,114.41/7,852.90
  6. Step 6: Final answer
    x = 3,014.44

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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.