Home / 7,496.57-10,344.35-4,139.12

Finding the Fourth Proportional to 7,496.57, 10,344.35 and 4,139.12

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Solution

The fourth proportional to 7,496.57, 10,344.35 and 4,139.12 is: 5,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,496.57 : 10,344.35 = 4,139.12 : x
  2. Step 2: Convert to fraction form
    7,496.57/10,344.35 = 4,139.12/x
  3. Step 3: Cross multiply
    7,496.57x = 10,344.35 × 4,139.12
  4. Step 4: Simplify right side
    7,496.57x = 42,816,433.55
  5. Step 5: Solve for x
    x = 42,816,433.55/7,496.57
  6. Step 6: Final answer
    x = 5,711.47

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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.