Home / 10,286.35-14,195.18-5,570.63

Finding the Fourth Proportional to 10,286.35, 14,195.18 and 5,570.63

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Solution

The fourth proportional to 10,286.35, 14,195.18 and 5,570.63 is: 7,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.35 : 14,195.18 = 5,570.63 : x
  2. Step 2: Convert to fraction form
    10,286.35/14,195.18 = 5,570.63/x
  3. Step 3: Cross multiply
    10,286.35x = 14,195.18 × 5,570.63
  4. Step 4: Simplify right side
    10,286.35x = 79,075,996.73
  5. Step 5: Solve for x
    x = 79,075,996.73/10,286.35
  6. Step 6: Final answer
    x = 7,687.47

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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.