Home / 10,351.21-14,284.65-5,635.48

Finding the Fourth Proportional to 10,351.21, 14,284.65 and 5,635.48

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Solution

The fourth proportional to 10,351.21, 14,284.65 and 5,635.48 is: 7,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.21 : 14,284.65 = 5,635.48 : x
  2. Step 2: Convert to fraction form
    10,351.21/14,284.65 = 5,635.48/x
  3. Step 3: Cross multiply
    10,351.21x = 14,284.65 × 5,635.48
  4. Step 4: Simplify right side
    10,351.21x = 80,500,859.38
  5. Step 5: Solve for x
    x = 80,500,859.38/10,351.21
  6. Step 6: Final answer
    x = 7,776.95

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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.