Home / 7,015.47-10,517.64-3,503.67

Finding the Fourth Proportional to 7,015.47, 10,517.64 and 3,503.67

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Solution

The fourth proportional to 7,015.47, 10,517.64 and 3,503.67 is: 5,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.47 : 10,517.64 = 3,503.67 : x
  2. Step 2: Convert to fraction form
    7,015.47/10,517.64 = 3,503.67/x
  3. Step 3: Cross multiply
    7,015.47x = 10,517.64 × 3,503.67
  4. Step 4: Simplify right side
    7,015.47x = 36,850,339.74
  5. Step 5: Solve for x
    x = 36,850,339.74/7,015.47
  6. Step 6: Final answer
    x = 5,252.73

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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.