Home / 12,332.58-17,018.73-8,133.54

Finding the Fourth Proportional to 12,332.58, 17,018.73 and 8,133.54

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Solution

The fourth proportional to 12,332.58, 17,018.73 and 8,133.54 is: 11,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.58 : 17,018.73 = 8,133.54 : x
  2. Step 2: Convert to fraction form
    12,332.58/17,018.73 = 8,133.54/x
  3. Step 3: Cross multiply
    12,332.58x = 17,018.73 × 8,133.54
  4. Step 4: Simplify right side
    12,332.58x = 138,422,521.20
  5. Step 5: Solve for x
    x = 138,422,521.20/12,332.58
  6. Step 6: Final answer
    x = 11,224.13

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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.