Home / 10,349.12-15,528.26-3,423.62

Finding the Fourth Proportional to 10,349.12, 15,528.26 and 3,423.62

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Solution

The fourth proportional to 10,349.12, 15,528.26 and 3,423.62 is: 5,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.12 : 15,528.26 = 3,423.62 : x
  2. Step 2: Convert to fraction form
    10,349.12/15,528.26 = 3,423.62/x
  3. Step 3: Cross multiply
    10,349.12x = 15,528.26 × 3,423.62
  4. Step 4: Simplify right side
    10,349.12x = 53,162,861.50
  5. Step 5: Solve for x
    x = 53,162,861.50/10,349.12
  6. Step 6: Final answer
    x = 5,136.95

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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.