Home / 11,157.93-15,398.10-6,122.07

Finding the Fourth Proportional to 11,157.93, 15,398.10 and 6,122.07

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Solution

The fourth proportional to 11,157.93, 15,398.10 and 6,122.07 is: 8,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.93 : 15,398.10 = 6,122.07 : x
  2. Step 2: Convert to fraction form
    11,157.93/15,398.10 = 6,122.07/x
  3. Step 3: Cross multiply
    11,157.93x = 15,398.10 × 6,122.07
  4. Step 4: Simplify right side
    11,157.93x = 94,268,246.07
  5. Step 5: Solve for x
    x = 94,268,246.07/11,157.93
  6. Step 6: Final answer
    x = 8,448.54

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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.