Home / 11,157.96-15,397.79-6,122.17

Finding the Fourth Proportional to 11,157.96, 15,397.79 and 6,122.17

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Solution

The fourth proportional to 11,157.96, 15,397.79 and 6,122.17 is: 8,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.96 : 15,397.79 = 6,122.17 : x
  2. Step 2: Convert to fraction form
    11,157.96/15,397.79 = 6,122.17/x
  3. Step 3: Cross multiply
    11,157.96x = 15,397.79 × 6,122.17
  4. Step 4: Simplify right side
    11,157.96x = 94,267,888.00
  5. Step 5: Solve for x
    x = 94,267,888.00/11,157.96
  6. Step 6: Final answer
    x = 8,448.49

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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.