Home / 10,199.96-14,075.46-6,167.78

Finding the Fourth Proportional to 10,199.96, 14,075.46 and 6,167.78

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Solution

The fourth proportional to 10,199.96, 14,075.46 and 6,167.78 is: 8,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.96 : 14,075.46 = 6,167.78 : x
  2. Step 2: Convert to fraction form
    10,199.96/14,075.46 = 6,167.78/x
  3. Step 3: Cross multiply
    10,199.96x = 14,075.46 × 6,167.78
  4. Step 4: Simplify right side
    10,199.96x = 86,814,270.30
  5. Step 5: Solve for x
    x = 86,814,270.30/10,199.96
  6. Step 6: Final answer
    x = 8,511.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.