Home / 11,556.16-17,322.34-8,776.92

Finding the Fourth Proportional to 11,556.16, 17,322.34 and 8,776.92

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Solution

The fourth proportional to 11,556.16, 17,322.34 and 8,776.92 is: 13,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.16 : 17,322.34 = 8,776.92 : x
  2. Step 2: Convert to fraction form
    11,556.16/17,322.34 = 8,776.92/x
  3. Step 3: Cross multiply
    11,556.16x = 17,322.34 × 8,776.92
  4. Step 4: Simplify right side
    11,556.16x = 152,036,792.39
  5. Step 5: Solve for x
    x = 152,036,792.39/11,556.16
  6. Step 6: Final answer
    x = 13,156.34

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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.