Home / 12,267.22-18,377.70-7,254.64

Finding the Fourth Proportional to 12,267.22, 18,377.70 and 7,254.64

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Solution

The fourth proportional to 12,267.22, 18,377.70 and 7,254.64 is: 10,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.22 : 18,377.70 = 7,254.64 : x
  2. Step 2: Convert to fraction form
    12,267.22/18,377.70 = 7,254.64/x
  3. Step 3: Cross multiply
    12,267.22x = 18,377.70 × 7,254.64
  4. Step 4: Simplify right side
    12,267.22x = 133,323,597.53
  5. Step 5: Solve for x
    x = 133,323,597.53/12,267.22
  6. Step 6: Final answer
    x = 10,868.28

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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.