Home / 9,539.10-13,164.30-5,559.57

Finding the Fourth Proportional to 9,539.10, 13,164.30 and 5,559.57

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Solution

The fourth proportional to 9,539.10, 13,164.30 and 5,559.57 is: 7,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.10 : 13,164.30 = 5,559.57 : x
  2. Step 2: Convert to fraction form
    9,539.10/13,164.30 = 5,559.57/x
  3. Step 3: Cross multiply
    9,539.10x = 13,164.30 × 5,559.57
  4. Step 4: Simplify right side
    9,539.10x = 73,187,847.35
  5. Step 5: Solve for x
    x = 73,187,847.35/9,539.10
  6. Step 6: Final answer
    x = 7,672.41

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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.