Home / 10,053.72-15,075.10-3,479.36

Finding the Fourth Proportional to 10,053.72, 15,075.10 and 3,479.36

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Solution

The fourth proportional to 10,053.72, 15,075.10 and 3,479.36 is: 5,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,053.72 : 15,075.10 = 3,479.36 : x
  2. Step 2: Convert to fraction form
    10,053.72/15,075.10 = 3,479.36/x
  3. Step 3: Cross multiply
    10,053.72x = 15,075.10 × 3,479.36
  4. Step 4: Simplify right side
    10,053.72x = 52,451,699.94
  5. Step 5: Solve for x
    x = 52,451,699.94/10,053.72
  6. Step 6: Final answer
    x = 5,217.14

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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.