Home / 7,167.35-9,891.45-4,515.35

Finding the Fourth Proportional to 7,167.35, 9,891.45 and 4,515.35

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Solution

The fourth proportional to 7,167.35, 9,891.45 and 4,515.35 is: 6,231.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.35 : 9,891.45 = 4,515.35 : x
  2. Step 2: Convert to fraction form
    7,167.35/9,891.45 = 4,515.35/x
  3. Step 3: Cross multiply
    7,167.35x = 9,891.45 × 4,515.35
  4. Step 4: Simplify right side
    7,167.35x = 44,663,309.30
  5. Step 5: Solve for x
    x = 44,663,309.30/7,167.35
  6. Step 6: Final answer
    x = 6,231.49

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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.