Home / 10,072.56-15,110.12-5,857.77

Finding the Fourth Proportional to 10,072.56, 15,110.12 and 5,857.77

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Solution

The fourth proportional to 10,072.56, 15,110.12 and 5,857.77 is: 8,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.56 : 15,110.12 = 5,857.77 : x
  2. Step 2: Convert to fraction form
    10,072.56/15,110.12 = 5,857.77/x
  3. Step 3: Cross multiply
    10,072.56x = 15,110.12 × 5,857.77
  4. Step 4: Simplify right side
    10,072.56x = 88,511,607.63
  5. Step 5: Solve for x
    x = 88,511,607.63/10,072.56
  6. Step 6: Final answer
    x = 8,787.40

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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.