Home / 10,720.61-14,794.59-6,183.20

Finding the Fourth Proportional to 10,720.61, 14,794.59 and 6,183.20

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Solution

The fourth proportional to 10,720.61, 14,794.59 and 6,183.20 is: 8,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.61 : 14,794.59 = 6,183.20 : x
  2. Step 2: Convert to fraction form
    10,720.61/14,794.59 = 6,183.20/x
  3. Step 3: Cross multiply
    10,720.61x = 14,794.59 × 6,183.20
  4. Step 4: Simplify right side
    10,720.61x = 91,477,834.92
  5. Step 5: Solve for x
    x = 91,477,834.92/10,720.61
  6. Step 6: Final answer
    x = 8,532.90

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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.