Home / 8,725.96-13,090.56-2,886.67

Finding the Fourth Proportional to 8,725.96, 13,090.56 and 2,886.67

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Solution

The fourth proportional to 8,725.96, 13,090.56 and 2,886.67 is: 4,330.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.96 : 13,090.56 = 2,886.67 : x
  2. Step 2: Convert to fraction form
    8,725.96/13,090.56 = 2,886.67/x
  3. Step 3: Cross multiply
    8,725.96x = 13,090.56 × 2,886.67
  4. Step 4: Simplify right side
    8,725.96x = 37,788,126.84
  5. Step 5: Solve for x
    x = 37,788,126.84/8,725.96
  6. Step 6: Final answer
    x = 4,330.54

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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.