Home / 8,158.07-11,262.80-5,371.67

Finding the Fourth Proportional to 8,158.07, 11,262.80 and 5,371.67

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Solution

The fourth proportional to 8,158.07, 11,262.80 and 5,371.67 is: 7,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.07 : 11,262.80 = 5,371.67 : x
  2. Step 2: Convert to fraction form
    8,158.07/11,262.80 = 5,371.67/x
  3. Step 3: Cross multiply
    8,158.07x = 11,262.80 × 5,371.67
  4. Step 4: Simplify right side
    8,158.07x = 60,500,044.88
  5. Step 5: Solve for x
    x = 60,500,044.88/8,158.07
  6. Step 6: Final answer
    x = 7,415.98

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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.