Home / 10,416.20-15,626.99-4,176.43

Finding the Fourth Proportional to 10,416.20, 15,626.99 and 4,176.43

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Solution

The fourth proportional to 10,416.20, 15,626.99 and 4,176.43 is: 6,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.20 : 15,626.99 = 4,176.43 : x
  2. Step 2: Convert to fraction form
    10,416.20/15,626.99 = 4,176.43/x
  3. Step 3: Cross multiply
    10,416.20x = 15,626.99 × 4,176.43
  4. Step 4: Simplify right side
    10,416.20x = 65,265,001.22
  5. Step 5: Solve for x
    x = 65,265,001.22/10,416.20
  6. Step 6: Final answer
    x = 6,265.72

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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.