Home / 9,892.29-13,650.95-5,415.96

Finding the Fourth Proportional to 9,892.29, 13,650.95 and 5,415.96

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Solution

The fourth proportional to 9,892.29, 13,650.95 and 5,415.96 is: 7,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.29 : 13,650.95 = 5,415.96 : x
  2. Step 2: Convert to fraction form
    9,892.29/13,650.95 = 5,415.96/x
  3. Step 3: Cross multiply
    9,892.29x = 13,650.95 × 5,415.96
  4. Step 4: Simplify right side
    9,892.29x = 73,933,033.43
  5. Step 5: Solve for x
    x = 73,933,033.43/9,892.29
  6. Step 6: Final answer
    x = 7,473.80

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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.