Home / 9,144.15-12,610.26-6,306.99

Finding the Fourth Proportional to 9,144.15, 12,610.26 and 6,306.99

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Solution

The fourth proportional to 9,144.15, 12,610.26 and 6,306.99 is: 8,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.15 : 12,610.26 = 6,306.99 : x
  2. Step 2: Convert to fraction form
    9,144.15/12,610.26 = 6,306.99/x
  3. Step 3: Cross multiply
    9,144.15x = 12,610.26 × 6,306.99
  4. Step 4: Simplify right side
    9,144.15x = 79,532,783.72
  5. Step 5: Solve for x
    x = 79,532,783.72/9,144.15
  6. Step 6: Final answer
    x = 8,697.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.