Home / 7,397.76-10,209.12-5,040.96

Finding the Fourth Proportional to 7,397.76, 10,209.12 and 5,040.96

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Solution

The fourth proportional to 7,397.76, 10,209.12 and 5,040.96 is: 6,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.76 : 10,209.12 = 5,040.96 : x
  2. Step 2: Convert to fraction form
    7,397.76/10,209.12 = 5,040.96/x
  3. Step 3: Cross multiply
    7,397.76x = 10,209.12 × 5,040.96
  4. Step 4: Simplify right side
    7,397.76x = 51,463,765.56
  5. Step 5: Solve for x
    x = 51,463,765.56/7,397.76
  6. Step 6: Final answer
    x = 6,956.67

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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.