Home / 8,815.88-12,165.96-4,837.16

Finding the Fourth Proportional to 8,815.88, 12,165.96 and 4,837.16

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Solution

The fourth proportional to 8,815.88, 12,165.96 and 4,837.16 is: 6,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.88 : 12,165.96 = 4,837.16 : x
  2. Step 2: Convert to fraction form
    8,815.88/12,165.96 = 4,837.16/x
  3. Step 3: Cross multiply
    8,815.88x = 12,165.96 × 4,837.16
  4. Step 4: Simplify right side
    8,815.88x = 58,848,695.07
  5. Step 5: Solve for x
    x = 58,848,695.07/8,815.88
  6. Step 6: Final answer
    x = 6,675.31

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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.