Home / 8,980.22-13,470.71-3,433.97

Finding the Fourth Proportional to 8,980.22, 13,470.71 and 3,433.97

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Solution

The fourth proportional to 8,980.22, 13,470.71 and 3,433.97 is: 5,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.22 : 13,470.71 = 3,433.97 : x
  2. Step 2: Convert to fraction form
    8,980.22/13,470.71 = 3,433.97/x
  3. Step 3: Cross multiply
    8,980.22x = 13,470.71 × 3,433.97
  4. Step 4: Simplify right side
    8,980.22x = 46,258,030.53
  5. Step 5: Solve for x
    x = 46,258,030.53/8,980.22
  6. Step 6: Final answer
    x = 5,151.10

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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.