Home / 10,877.12-16,307.70-3,477.32

Finding the Fourth Proportional to 10,877.12, 16,307.70 and 3,477.32

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Solution

The fourth proportional to 10,877.12, 16,307.70 and 3,477.32 is: 5,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.12 : 16,307.70 = 3,477.32 : x
  2. Step 2: Convert to fraction form
    10,877.12/16,307.70 = 3,477.32/x
  3. Step 3: Cross multiply
    10,877.12x = 16,307.70 × 3,477.32
  4. Step 4: Simplify right side
    10,877.12x = 56,707,091.36
  5. Step 5: Solve for x
    x = 56,707,091.36/10,877.12
  6. Step 6: Final answer
    x = 5,213.43

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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.