Home / 10,378.36-15,566.58-4,136.71

Finding the Fourth Proportional to 10,378.36, 15,566.58 and 4,136.71

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Solution

The fourth proportional to 10,378.36, 15,566.58 and 4,136.71 is: 6,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.36 : 15,566.58 = 4,136.71 : x
  2. Step 2: Convert to fraction form
    10,378.36/15,566.58 = 4,136.71/x
  3. Step 3: Cross multiply
    10,378.36x = 15,566.58 × 4,136.71
  4. Step 4: Simplify right side
    10,378.36x = 64,394,427.15
  5. Step 5: Solve for x
    x = 64,394,427.15/10,378.36
  6. Step 6: Final answer
    x = 6,204.68

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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.