Home / 11,556.12-17,332.26-4,159.20

Finding the Fourth Proportional to 11,556.12, 17,332.26 and 4,159.20

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Solution

The fourth proportional to 11,556.12, 17,332.26 and 4,159.20 is: 6,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.12 : 17,332.26 = 4,159.20 : x
  2. Step 2: Convert to fraction form
    11,556.12/17,332.26 = 4,159.20/x
  3. Step 3: Cross multiply
    11,556.12x = 17,332.26 × 4,159.20
  4. Step 4: Simplify right side
    11,556.12x = 72,088,335.79
  5. Step 5: Solve for x
    x = 72,088,335.79/11,556.12
  6. Step 6: Final answer
    x = 6,238.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.