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Finding the Fourth Proportional to 10,973.95, 15,144.22 and 6,194.14

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Solution

The fourth proportional to 10,973.95, 15,144.22 and 6,194.14 is: 8,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973.95 : 15,144.22 = 6,194.14 : x
  2. Step 2: Convert to fraction form
    10,973.95/15,144.22 = 6,194.14/x
  3. Step 3: Cross multiply
    10,973.95x = 15,144.22 × 6,194.14
  4. Step 4: Simplify right side
    10,973.95x = 93,805,388.75
  5. Step 5: Solve for x
    x = 93,805,388.75/10,973.95
  6. Step 6: Final answer
    x = 8,548.01

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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.