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Finding the Fourth Proportional to 8,141.32, 11,235.02 and 4,415.32

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Solution

The fourth proportional to 8,141.32, 11,235.02 and 4,415.32 is: 6,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.32 : 11,235.02 = 4,415.32 : x
  2. Step 2: Convert to fraction form
    8,141.32/11,235.02 = 4,415.32/x
  3. Step 3: Cross multiply
    8,141.32x = 11,235.02 × 4,415.32
  4. Step 4: Simplify right side
    8,141.32x = 49,606,208.51
  5. Step 5: Solve for x
    x = 49,606,208.51/8,141.32
  6. Step 6: Final answer
    x = 6,093.14

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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.