Home / 9,435.52-13,021.14-5,243.86

Finding the Fourth Proportional to 9,435.52, 13,021.14 and 5,243.86

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Solution

The fourth proportional to 9,435.52, 13,021.14 and 5,243.86 is: 7,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.52 : 13,021.14 = 5,243.86 : x
  2. Step 2: Convert to fraction form
    9,435.52/13,021.14 = 5,243.86/x
  3. Step 3: Cross multiply
    9,435.52x = 13,021.14 × 5,243.86
  4. Step 4: Simplify right side
    9,435.52x = 68,281,035.20
  5. Step 5: Solve for x
    x = 68,281,035.20/9,435.52
  6. Step 6: Final answer
    x = 7,236.59

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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.