Home / 10,318.48-15,467.14-4,075.98

Finding the Fourth Proportional to 10,318.48, 15,467.14 and 4,075.98

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Solution

The fourth proportional to 10,318.48, 15,467.14 and 4,075.98 is: 6,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.48 : 15,467.14 = 4,075.98 : x
  2. Step 2: Convert to fraction form
    10,318.48/15,467.14 = 4,075.98/x
  3. Step 3: Cross multiply
    10,318.48x = 15,467.14 × 4,075.98
  4. Step 4: Simplify right side
    10,318.48x = 63,043,753.30
  5. Step 5: Solve for x
    x = 63,043,753.30/10,318.48
  6. Step 6: Final answer
    x = 6,109.79

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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.