Home / 7,126.55-10,679.39-4,012.63

Finding the Fourth Proportional to 7,126.55, 10,679.39 and 4,012.63

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Solution

The fourth proportional to 7,126.55, 10,679.39 and 4,012.63 is: 6,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.55 : 10,679.39 = 4,012.63 : x
  2. Step 2: Convert to fraction form
    7,126.55/10,679.39 = 4,012.63/x
  3. Step 3: Cross multiply
    7,126.55x = 10,679.39 × 4,012.63
  4. Step 4: Simplify right side
    7,126.55x = 42,852,408.98
  5. Step 5: Solve for x
    x = 42,852,408.98/7,126.55
  6. Step 6: Final answer
    x = 6,013.07

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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.