Home / 8,935.76-13,401.45-3,011.12

Finding the Fourth Proportional to 8,935.76, 13,401.45 and 3,011.12

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Solution

The fourth proportional to 8,935.76, 13,401.45 and 3,011.12 is: 4,515.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.76 : 13,401.45 = 3,011.12 : x
  2. Step 2: Convert to fraction form
    8,935.76/13,401.45 = 3,011.12/x
  3. Step 3: Cross multiply
    8,935.76x = 13,401.45 × 3,011.12
  4. Step 4: Simplify right side
    8,935.76x = 40,353,307.12
  5. Step 5: Solve for x
    x = 40,353,307.12/8,935.76
  6. Step 6: Final answer
    x = 4,515.94

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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.