Home / 9,365.70-12,924.54-5,386.86

Finding the Fourth Proportional to 9,365.70, 12,924.54 and 5,386.86

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Solution

The fourth proportional to 9,365.70, 12,924.54 and 5,386.86 is: 7,433.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.70 : 12,924.54 = 5,386.86 : x
  2. Step 2: Convert to fraction form
    9,365.70/12,924.54 = 5,386.86/x
  3. Step 3: Cross multiply
    9,365.70x = 12,924.54 × 5,386.86
  4. Step 4: Simplify right side
    9,365.70x = 69,622,687.54
  5. Step 5: Solve for x
    x = 69,622,687.54/9,365.70
  6. Step 6: Final answer
    x = 7,433.79

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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.