Home / 7,161.76-9,882.56-4,017.34

Finding the Fourth Proportional to 7,161.76, 9,882.56 and 4,017.34

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Solution

The fourth proportional to 7,161.76, 9,882.56 and 4,017.34 is: 5,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.76 : 9,882.56 = 4,017.34 : x
  2. Step 2: Convert to fraction form
    7,161.76/9,882.56 = 4,017.34/x
  3. Step 3: Cross multiply
    7,161.76x = 9,882.56 × 4,017.34
  4. Step 4: Simplify right side
    7,161.76x = 39,701,603.59
  5. Step 5: Solve for x
    x = 39,701,603.59/7,161.76
  6. Step 6: Final answer
    x = 5,543.55

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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.