Home / 7,161.34-9,882.69-4,017.53

Finding the Fourth Proportional to 7,161.34, 9,882.69 and 4,017.53

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Solution

The fourth proportional to 7,161.34, 9,882.69 and 4,017.53 is: 5,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.34 : 9,882.69 = 4,017.53 : x
  2. Step 2: Convert to fraction form
    7,161.34/9,882.69 = 4,017.53/x
  3. Step 3: Cross multiply
    7,161.34x = 9,882.69 × 4,017.53
  4. Step 4: Simplify right side
    7,161.34x = 39,704,003.56
  5. Step 5: Solve for x
    x = 39,704,003.56/7,161.34
  6. Step 6: Final answer
    x = 5,544.21

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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.