Home / 11,227.71-15,495.63-6,449.13

Finding the Fourth Proportional to 11,227.71, 15,495.63 and 6,449.13

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Solution

The fourth proportional to 11,227.71, 15,495.63 and 6,449.13 is: 8,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.71 : 15,495.63 = 6,449.13 : x
  2. Step 2: Convert to fraction form
    11,227.71/15,495.63 = 6,449.13/x
  3. Step 3: Cross multiply
    11,227.71x = 15,495.63 × 6,449.13
  4. Step 4: Simplify right side
    11,227.71x = 99,933,332.30
  5. Step 5: Solve for x
    x = 99,933,332.30/11,227.71
  6. Step 6: Final answer
    x = 8,900.60

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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.