Home / 11,172.25-15,417.69-6,136.47

Finding the Fourth Proportional to 11,172.25, 15,417.69 and 6,136.47

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Solution

The fourth proportional to 11,172.25, 15,417.69 and 6,136.47 is: 8,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.25 : 15,417.69 = 6,136.47 : x
  2. Step 2: Convert to fraction form
    11,172.25/15,417.69 = 6,136.47/x
  3. Step 3: Cross multiply
    11,172.25x = 15,417.69 × 6,136.47
  4. Step 4: Simplify right side
    11,172.25x = 94,610,134.34
  5. Step 5: Solve for x
    x = 94,610,134.34/11,172.25
  6. Step 6: Final answer
    x = 8,468.32

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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.