Home / 12,444.21-17,168.08-8,666.37

Finding the Fourth Proportional to 12,444.21, 17,168.08 and 8,666.37

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Solution

The fourth proportional to 12,444.21, 17,168.08 and 8,666.37 is: 11,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.21 : 17,168.08 = 8,666.37 : x
  2. Step 2: Convert to fraction form
    12,444.21/17,168.08 = 8,666.37/x
  3. Step 3: Cross multiply
    12,444.21x = 17,168.08 × 8,666.37
  4. Step 4: Simplify right side
    12,444.21x = 148,784,933.47
  5. Step 5: Solve for x
    x = 148,784,933.47/12,444.21
  6. Step 6: Final answer
    x = 11,956.16

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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.