Home / 10,877.15-16,307.75-3,477.35

Finding the Fourth Proportional to 10,877.15, 16,307.75 and 3,477.35

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Solution

The fourth proportional to 10,877.15, 16,307.75 and 3,477.35 is: 5,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.15 : 16,307.75 = 3,477.35 : x
  2. Step 2: Convert to fraction form
    10,877.15/16,307.75 = 3,477.35/x
  3. Step 3: Cross multiply
    10,877.15x = 16,307.75 × 3,477.35
  4. Step 4: Simplify right side
    10,877.15x = 56,707,763.98
  5. Step 5: Solve for x
    x = 56,707,763.98/10,877.15
  6. Step 6: Final answer
    x = 5,213.48

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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.