Home / 9,332.50-12,879.12-5,141.02

Finding the Fourth Proportional to 9,332.50, 12,879.12 and 5,141.02

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Solution

The fourth proportional to 9,332.50, 12,879.12 and 5,141.02 is: 7,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.50 : 12,879.12 = 5,141.02 : x
  2. Step 2: Convert to fraction form
    9,332.50/12,879.12 = 5,141.02/x
  3. Step 3: Cross multiply
    9,332.50x = 12,879.12 × 5,141.02
  4. Step 4: Simplify right side
    9,332.50x = 66,211,813.50
  5. Step 5: Solve for x
    x = 66,211,813.50/9,332.50
  6. Step 6: Final answer
    x = 7,094.76

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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.