Home / 10,703.21-16,053.80-3,307.91

Finding the Fourth Proportional to 10,703.21, 16,053.80 and 3,307.91

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Solution

The fourth proportional to 10,703.21, 16,053.80 and 3,307.91 is: 4,961.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.21 : 16,053.80 = 3,307.91 : x
  2. Step 2: Convert to fraction form
    10,703.21/16,053.80 = 3,307.91/x
  3. Step 3: Cross multiply
    10,703.21x = 16,053.80 × 3,307.91
  4. Step 4: Simplify right side
    10,703.21x = 53,104,428.75
  5. Step 5: Solve for x
    x = 53,104,428.75/10,703.21
  6. Step 6: Final answer
    x = 4,961.54

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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.