Home / 11,322.48-15,618.92-6,847.68

Finding the Fourth Proportional to 11,322.48, 15,618.92 and 6,847.68

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Solution

The fourth proportional to 11,322.48, 15,618.92 and 6,847.68 is: 9,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.48 : 15,618.92 = 6,847.68 : x
  2. Step 2: Convert to fraction form
    11,322.48/15,618.92 = 6,847.68/x
  3. Step 3: Cross multiply
    11,322.48x = 15,618.92 × 6,847.68
  4. Step 4: Simplify right side
    11,322.48x = 106,953,366.11
  5. Step 5: Solve for x
    x = 106,953,366.11/11,322.48
  6. Step 6: Final answer
    x = 9,446.11

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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.