Home / 9,896.85-13,657.20-5,920.14

Finding the Fourth Proportional to 9,896.85, 13,657.20 and 5,920.14

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Solution

The fourth proportional to 9,896.85, 13,657.20 and 5,920.14 is: 8,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896.85 : 13,657.20 = 5,920.14 : x
  2. Step 2: Convert to fraction form
    9,896.85/13,657.20 = 5,920.14/x
  3. Step 3: Cross multiply
    9,896.85x = 13,657.20 × 5,920.14
  4. Step 4: Simplify right side
    9,896.85x = 80,852,536.01
  5. Step 5: Solve for x
    x = 80,852,536.01/9,896.85
  6. Step 6: Final answer
    x = 8,169.52

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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.