Home / 11,133.16-16,687.86-5,577.64

Finding the Fourth Proportional to 11,133.16, 16,687.86 and 5,577.64

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Solution

The fourth proportional to 11,133.16, 16,687.86 and 5,577.64 is: 8,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.16 : 16,687.86 = 5,577.64 : x
  2. Step 2: Convert to fraction form
    11,133.16/16,687.86 = 5,577.64/x
  3. Step 3: Cross multiply
    11,133.16x = 16,687.86 × 5,577.64
  4. Step 4: Simplify right side
    11,133.16x = 93,078,875.45
  5. Step 5: Solve for x
    x = 93,078,875.45/11,133.16
  6. Step 6: Final answer
    x = 8,360.51

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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.