Home / 9,558.27-13,189.99-5,309.63

Finding the Fourth Proportional to 9,558.27, 13,189.99 and 5,309.63

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Solution

The fourth proportional to 9,558.27, 13,189.99 and 5,309.63 is: 7,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,558.27 : 13,189.99 = 5,309.63 : x
  2. Step 2: Convert to fraction form
    9,558.27/13,189.99 = 5,309.63/x
  3. Step 3: Cross multiply
    9,558.27x = 13,189.99 × 5,309.63
  4. Step 4: Simplify right side
    9,558.27x = 70,033,956.75
  5. Step 5: Solve for x
    x = 70,033,956.75/9,558.27
  6. Step 6: Final answer
    x = 7,327.05

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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.