Home / 10,150.01-15,188.11-8,378.54

Finding the Fourth Proportional to 10,150.01, 15,188.11 and 8,378.54

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Solution

The fourth proportional to 10,150.01, 15,188.11 and 8,378.54 is: 12,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.01 : 15,188.11 = 8,378.54 : x
  2. Step 2: Convert to fraction form
    10,150.01/15,188.11 = 8,378.54/x
  3. Step 3: Cross multiply
    10,150.01x = 15,188.11 × 8,378.54
  4. Step 4: Simplify right side
    10,150.01x = 127,254,147.23
  5. Step 5: Solve for x
    x = 127,254,147.23/10,150.01
  6. Step 6: Final answer
    x = 12,537.34

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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.