Home / 9,332.80-12,879.26-5,141.05

Finding the Fourth Proportional to 9,332.80, 12,879.26 and 5,141.05

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Solution

The fourth proportional to 9,332.80, 12,879.26 and 5,141.05 is: 7,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.80 : 12,879.26 = 5,141.05 : x
  2. Step 2: Convert to fraction form
    9,332.80/12,879.26 = 5,141.05/x
  3. Step 3: Cross multiply
    9,332.80x = 12,879.26 × 5,141.05
  4. Step 4: Simplify right side
    9,332.80x = 66,212,881.00
  5. Step 5: Solve for x
    x = 66,212,881.00/9,332.80
  6. Step 6: Final answer
    x = 7,094.64

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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.