Home / 10,749.46-16,125.21-4,176.15

Finding the Fourth Proportional to 10,749.46, 16,125.21 and 4,176.15

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Solution

The fourth proportional to 10,749.46, 16,125.21 and 4,176.15 is: 6,264.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.46 : 16,125.21 = 4,176.15 : x
  2. Step 2: Convert to fraction form
    10,749.46/16,125.21 = 4,176.15/x
  3. Step 3: Cross multiply
    10,749.46x = 16,125.21 × 4,176.15
  4. Step 4: Simplify right side
    10,749.46x = 67,341,274.86
  5. Step 5: Solve for x
    x = 67,341,274.86/10,749.46
  6. Step 6: Final answer
    x = 6,264.62

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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.