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Finding the Fourth Proportional to 8,876.64, 13,294.21 and 7,015.26

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Solution

The fourth proportional to 8,876.64, 13,294.21 and 7,015.26 is: 10,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.64 : 13,294.21 = 7,015.26 : x
  2. Step 2: Convert to fraction form
    8,876.64/13,294.21 = 7,015.26/x
  3. Step 3: Cross multiply
    8,876.64x = 13,294.21 × 7,015.26
  4. Step 4: Simplify right side
    8,876.64x = 93,262,339.64
  5. Step 5: Solve for x
    x = 93,262,339.64/8,876.64
  6. Step 6: Final answer
    x = 10,506.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.