Home / 9,633.76-14,433.60-4,428.72

Finding the Fourth Proportional to 9,633.76, 14,433.60 and 4,428.72

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Solution

The fourth proportional to 9,633.76, 14,433.60 and 4,428.72 is: 6,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,633.76 : 14,433.60 = 4,428.72 : x
  2. Step 2: Convert to fraction form
    9,633.76/14,433.60 = 4,428.72/x
  3. Step 3: Cross multiply
    9,633.76x = 14,433.60 × 4,428.72
  4. Step 4: Simplify right side
    9,633.76x = 63,922,372.99
  5. Step 5: Solve for x
    x = 63,922,372.99/9,633.76
  6. Step 6: Final answer
    x = 6,635.25

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1.5x scale

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.