Home / 11,351.34-15,662.52-6,634.68

Finding the Fourth Proportional to 11,351.34, 15,662.52 and 6,634.68

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Solution

The fourth proportional to 11,351.34, 15,662.52 and 6,634.68 is: 9,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.34 : 15,662.52 = 6,634.68 : x
  2. Step 2: Convert to fraction form
    11,351.34/15,662.52 = 6,634.68/x
  3. Step 3: Cross multiply
    11,351.34x = 15,662.52 × 6,634.68
  4. Step 4: Simplify right side
    11,351.34x = 103,915,808.19
  5. Step 5: Solve for x
    x = 103,915,808.19/11,351.34
  6. Step 6: Final answer
    x = 9,154.50

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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.