Home / 9,333.40-12,879.98-5,141.56

Finding the Fourth Proportional to 9,333.40, 12,879.98 and 5,141.56

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Solution

The fourth proportional to 9,333.40, 12,879.98 and 5,141.56 is: 7,095.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.40 : 12,879.98 = 5,141.56 : x
  2. Step 2: Convert to fraction form
    9,333.40/12,879.98 = 5,141.56/x
  3. Step 3: Cross multiply
    9,333.40x = 12,879.98 × 5,141.56
  4. Step 4: Simplify right side
    9,333.40x = 66,223,189.97
  5. Step 5: Solve for x
    x = 66,223,189.97/9,333.40
  6. Step 6: Final answer
    x = 7,095.29

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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.