Home / 11,136.60-15,368.34-6,100.80

Finding the Fourth Proportional to 11,136.60, 15,368.34 and 6,100.80

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Solution

The fourth proportional to 11,136.60, 15,368.34 and 6,100.80 is: 8,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.60 : 15,368.34 = 6,100.80 : x
  2. Step 2: Convert to fraction form
    11,136.60/15,368.34 = 6,100.80/x
  3. Step 3: Cross multiply
    11,136.60x = 15,368.34 × 6,100.80
  4. Step 4: Simplify right side
    11,136.60x = 93,759,168.67
  5. Step 5: Solve for x
    x = 93,759,168.67/11,136.60
  6. Step 6: Final answer
    x = 8,419.01

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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.