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Finding the Fourth Proportional to 11,030.84, 15,224.74 and 6,318.26

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Solution

The fourth proportional to 11,030.84, 15,224.74 and 6,318.26 is: 8,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.84 : 15,224.74 = 6,318.26 : x
  2. Step 2: Convert to fraction form
    11,030.84/15,224.74 = 6,318.26/x
  3. Step 3: Cross multiply
    11,030.84x = 15,224.74 × 6,318.26
  4. Step 4: Simplify right side
    11,030.84x = 96,193,865.75
  5. Step 5: Solve for x
    x = 96,193,865.75/11,030.84
  6. Step 6: Final answer
    x = 8,720.45

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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.