Home / 9,829.35-13,564.53-5,353.09

Finding the Fourth Proportional to 9,829.35, 13,564.53 and 5,353.09

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Solution

The fourth proportional to 9,829.35, 13,564.53 and 5,353.09 is: 7,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.35 : 13,564.53 = 5,353.09 : x
  2. Step 2: Convert to fraction form
    9,829.35/13,564.53 = 5,353.09/x
  3. Step 3: Cross multiply
    9,829.35x = 13,564.53 × 5,353.09
  4. Step 4: Simplify right side
    9,829.35x = 72,612,115.99
  5. Step 5: Solve for x
    x = 72,612,115.99/9,829.35
  6. Step 6: Final answer
    x = 7,387.28

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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.