Home / 12,444.18-17,172.96-6,855.18

Finding the Fourth Proportional to 12,444.18, 17,172.96 and 6,855.18

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Solution

The fourth proportional to 12,444.18, 17,172.96 and 6,855.18 is: 9,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.18 : 17,172.96 = 6,855.18 : x
  2. Step 2: Convert to fraction form
    12,444.18/17,172.96 = 6,855.18/x
  3. Step 3: Cross multiply
    12,444.18x = 17,172.96 × 6,855.18
  4. Step 4: Simplify right side
    12,444.18x = 117,723,731.93
  5. Step 5: Solve for x
    x = 117,723,731.93/12,444.18
  6. Step 6: Final answer
    x = 9,460.14

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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.