Home / 11,522.33-15,900.56-6,417.81

Finding the Fourth Proportional to 11,522.33, 15,900.56 and 6,417.81

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Solution

The fourth proportional to 11,522.33, 15,900.56 and 6,417.81 is: 8,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.33 : 15,900.56 = 6,417.81 : x
  2. Step 2: Convert to fraction form
    11,522.33/15,900.56 = 6,417.81/x
  3. Step 3: Cross multiply
    11,522.33x = 15,900.56 × 6,417.81
  4. Step 4: Simplify right side
    11,522.33x = 102,046,772.97
  5. Step 5: Solve for x
    x = 102,046,772.97/11,522.33
  6. Step 6: Final answer
    x = 8,856.44

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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.