Home / 11,172.82-15,417.81-6,136.06

Finding the Fourth Proportional to 11,172.82, 15,417.81 and 6,136.06

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Solution

The fourth proportional to 11,172.82, 15,417.81 and 6,136.06 is: 8,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.82 : 15,417.81 = 6,136.06 : x
  2. Step 2: Convert to fraction form
    11,172.82/15,417.81 = 6,136.06/x
  3. Step 3: Cross multiply
    11,172.82x = 15,417.81 × 6,136.06
  4. Step 4: Simplify right side
    11,172.82x = 94,604,607.23
  5. Step 5: Solve for x
    x = 94,604,607.23/11,172.82
  6. Step 6: Final answer
    x = 8,467.39

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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.