Home / 8,715.54-13,073.07-3,521.22

Finding the Fourth Proportional to 8,715.54, 13,073.07 and 3,521.22

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Solution

The fourth proportional to 8,715.54, 13,073.07 and 3,521.22 is: 5,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.54 : 13,073.07 = 3,521.22 : x
  2. Step 2: Convert to fraction form
    8,715.54/13,073.07 = 3,521.22/x
  3. Step 3: Cross multiply
    8,715.54x = 13,073.07 × 3,521.22
  4. Step 4: Simplify right side
    8,715.54x = 46,033,155.55
  5. Step 5: Solve for x
    x = 46,033,155.55/8,715.54
  6. Step 6: Final answer
    x = 5,281.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.