Home / 11,136.61-16,700.05-4,206.25

Finding the Fourth Proportional to 11,136.61, 16,700.05 and 4,206.25

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Solution

The fourth proportional to 11,136.61, 16,700.05 and 4,206.25 is: 6,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.61 : 16,700.05 = 4,206.25 : x
  2. Step 2: Convert to fraction form
    11,136.61/16,700.05 = 4,206.25/x
  3. Step 3: Cross multiply
    11,136.61x = 16,700.05 × 4,206.25
  4. Step 4: Simplify right side
    11,136.61x = 70,244,585.31
  5. Step 5: Solve for x
    x = 70,244,585.31/11,136.61
  6. Step 6: Final answer
    x = 6,307.54

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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.