Home / 7,496.05-10,344.40-4,138.66

Finding the Fourth Proportional to 7,496.05, 10,344.40 and 4,138.66

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Solution

The fourth proportional to 7,496.05, 10,344.40 and 4,138.66 is: 5,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,496.05 : 10,344.40 = 4,138.66 : x
  2. Step 2: Convert to fraction form
    7,496.05/10,344.40 = 4,138.66/x
  3. Step 3: Cross multiply
    7,496.05x = 10,344.40 × 4,138.66
  4. Step 4: Simplify right side
    7,496.05x = 42,811,954.50
  5. Step 5: Solve for x
    x = 42,811,954.50/7,496.05
  6. Step 6: Final answer
    x = 5,711.27

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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.