Home / 11,136.63-15,368.78-6,100.86

Finding the Fourth Proportional to 11,136.63, 15,368.78 and 6,100.86

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Solution

The fourth proportional to 11,136.63, 15,368.78 and 6,100.86 is: 8,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.63 : 15,368.78 = 6,100.86 : x
  2. Step 2: Convert to fraction form
    11,136.63/15,368.78 = 6,100.86/x
  3. Step 3: Cross multiply
    11,136.63x = 15,368.78 × 6,100.86
  4. Step 4: Simplify right side
    11,136.63x = 93,762,744.65
  5. Step 5: Solve for x
    x = 93,762,744.65/11,136.63
  6. Step 6: Final answer
    x = 8,419.31

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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.