Home / 13,252.45-18,288.57-7,284.67

Finding the Fourth Proportional to 13,252.45, 18,288.57 and 7,284.67

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Solution

The fourth proportional to 13,252.45, 18,288.57 and 7,284.67 is: 10,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.45 : 18,288.57 = 7,284.67 : x
  2. Step 2: Convert to fraction form
    13,252.45/18,288.57 = 7,284.67/x
  3. Step 3: Cross multiply
    13,252.45x = 18,288.57 × 7,284.67
  4. Step 4: Simplify right side
    13,252.45x = 133,226,197.22
  5. Step 5: Solve for x
    x = 133,226,197.22/13,252.45
  6. Step 6: Final answer
    x = 10,052.95

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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.