Home / 11,122.90-15,349.47-6,087.11

Finding the Fourth Proportional to 11,122.90, 15,349.47 and 6,087.11

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Solution

The fourth proportional to 11,122.90, 15,349.47 and 6,087.11 is: 8,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.90 : 15,349.47 = 6,087.11 : x
  2. Step 2: Convert to fraction form
    11,122.90/15,349.47 = 6,087.11/x
  3. Step 3: Cross multiply
    11,122.90x = 15,349.47 × 6,087.11
  4. Step 4: Simplify right side
    11,122.90x = 93,433,912.33
  5. Step 5: Solve for x
    x = 93,433,912.33/11,122.90
  6. Step 6: Final answer
    x = 8,400.14

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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.