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Finding the Fourth Proportional to 11,361.15, 17,041.73 and 5,124.11

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Solution

The fourth proportional to 11,361.15, 17,041.73 and 5,124.11 is: 7,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.15 : 17,041.73 = 5,124.11 : x
  2. Step 2: Convert to fraction form
    11,361.15/17,041.73 = 5,124.11/x
  3. Step 3: Cross multiply
    11,361.15x = 17,041.73 × 5,124.11
  4. Step 4: Simplify right side
    11,361.15x = 87,323,588.28
  5. Step 5: Solve for x
    x = 87,323,588.28/11,361.15
  6. Step 6: Final answer
    x = 7,686.16

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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.