Home / 9,100.26-12,561.63-5,563.80

Finding the Fourth Proportional to 9,100.26, 12,561.63 and 5,563.80

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Solution

The fourth proportional to 9,100.26, 12,561.63 and 5,563.80 is: 7,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,100.26 : 12,561.63 = 5,563.80 : x
  2. Step 2: Convert to fraction form
    9,100.26/12,561.63 = 5,563.80/x
  3. Step 3: Cross multiply
    9,100.26x = 12,561.63 × 5,563.80
  4. Step 4: Simplify right side
    9,100.26x = 69,890,396.99
  5. Step 5: Solve for x
    x = 69,890,396.99/9,100.26
  6. Step 6: Final answer
    x = 7,680.04

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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.