Home / 10,644.12-15,967.34-4,075.88

Finding the Fourth Proportional to 10,644.12, 15,967.34 and 4,075.88

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Solution

The fourth proportional to 10,644.12, 15,967.34 and 4,075.88 is: 6,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.12 : 15,967.34 = 4,075.88 : x
  2. Step 2: Convert to fraction form
    10,644.12/15,967.34 = 4,075.88/x
  3. Step 3: Cross multiply
    10,644.12x = 15,967.34 × 4,075.88
  4. Step 4: Simplify right side
    10,644.12x = 65,080,961.76
  5. Step 5: Solve for x
    x = 65,080,961.76/10,644.12
  6. Step 6: Final answer
    x = 6,114.26

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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.