Home / 7,931.57-10,949.11-5,244.44

Finding the Fourth Proportional to 7,931.57, 10,949.11 and 5,244.44

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Solution

The fourth proportional to 7,931.57, 10,949.11 and 5,244.44 is: 7,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.57 : 10,949.11 = 5,244.44 : x
  2. Step 2: Convert to fraction form
    7,931.57/10,949.11 = 5,244.44/x
  3. Step 3: Cross multiply
    7,931.57x = 10,949.11 × 5,244.44
  4. Step 4: Simplify right side
    7,931.57x = 57,421,882.59
  5. Step 5: Solve for x
    x = 57,421,882.59/7,931.57
  6. Step 6: Final answer
    x = 7,239.67

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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.