Home / 12,175.47-18,264.01-4,277.03

Finding the Fourth Proportional to 12,175.47, 18,264.01 and 4,277.03

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Solution

The fourth proportional to 12,175.47, 18,264.01 and 4,277.03 is: 6,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.47 : 18,264.01 = 4,277.03 : x
  2. Step 2: Convert to fraction form
    12,175.47/18,264.01 = 4,277.03/x
  3. Step 3: Cross multiply
    12,175.47x = 18,264.01 × 4,277.03
  4. Step 4: Simplify right side
    12,175.47x = 78,115,627.37
  5. Step 5: Solve for x
    x = 78,115,627.37/12,175.47
  6. Step 6: Final answer
    x = 6,415.82

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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.