Home / 9,575.28-13,213.80-5,383.56

Finding the Fourth Proportional to 9,575.28, 13,213.80 and 5,383.56

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Solution

The fourth proportional to 9,575.28, 13,213.80 and 5,383.56 is: 7,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,575.28 : 13,213.80 = 5,383.56 : x
  2. Step 2: Convert to fraction form
    9,575.28/13,213.80 = 5,383.56/x
  3. Step 3: Cross multiply
    9,575.28x = 13,213.80 × 5,383.56
  4. Step 4: Simplify right side
    9,575.28x = 71,137,285.13
  5. Step 5: Solve for x
    x = 71,137,285.13/9,575.28
  6. Step 6: Final answer
    x = 7,429.26

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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.