Home / 12,550.64-17,315.16-7,243.52

Finding the Fourth Proportional to 12,550.64, 17,315.16 and 7,243.52

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Solution

The fourth proportional to 12,550.64, 17,315.16 and 7,243.52 is: 9,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.64 : 17,315.16 = 7,243.52 : x
  2. Step 2: Convert to fraction form
    12,550.64/17,315.16 = 7,243.52/x
  3. Step 3: Cross multiply
    12,550.64x = 17,315.16 × 7,243.52
  4. Step 4: Simplify right side
    12,550.64x = 125,422,707.76
  5. Step 5: Solve for x
    x = 125,422,707.76/12,550.64
  6. Step 6: Final answer
    x = 9,993.33

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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.