Home / 9,539.44-13,164.36-5,347.69

Finding the Fourth Proportional to 9,539.44, 13,164.36 and 5,347.69

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Solution

The fourth proportional to 9,539.44, 13,164.36 and 5,347.69 is: 7,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.44 : 13,164.36 = 5,347.69 : x
  2. Step 2: Convert to fraction form
    9,539.44/13,164.36 = 5,347.69/x
  3. Step 3: Cross multiply
    9,539.44x = 13,164.36 × 5,347.69
  4. Step 4: Simplify right side
    9,539.44x = 70,398,916.33
  5. Step 5: Solve for x
    x = 70,398,916.33/9,539.44
  6. Step 6: Final answer
    x = 7,379.77

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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.