Home / 10,040.48-15,060.21-4,771.63

Finding the Fourth Proportional to 10,040.48, 15,060.21 and 4,771.63

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Solution

The fourth proportional to 10,040.48, 15,060.21 and 4,771.63 is: 7,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.48 : 15,060.21 = 4,771.63 : x
  2. Step 2: Convert to fraction form
    10,040.48/15,060.21 = 4,771.63/x
  3. Step 3: Cross multiply
    10,040.48x = 15,060.21 × 4,771.63
  4. Step 4: Simplify right side
    10,040.48x = 71,861,749.84
  5. Step 5: Solve for x
    x = 71,861,749.84/10,040.48
  6. Step 6: Final answer
    x = 7,157.20

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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.