Home / 13,304.09-18,358.61-7,335.74

Finding the Fourth Proportional to 13,304.09, 18,358.61 and 7,335.74

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Solution

The fourth proportional to 13,304.09, 18,358.61 and 7,335.74 is: 10,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.09 : 18,358.61 = 7,335.74 : x
  2. Step 2: Convert to fraction form
    13,304.09/18,358.61 = 7,335.74/x
  3. Step 3: Cross multiply
    13,304.09x = 18,358.61 × 7,335.74
  4. Step 4: Simplify right side
    13,304.09x = 134,673,861.25
  5. Step 5: Solve for x
    x = 134,673,861.25/13,304.09
  6. Step 6: Final answer
    x = 10,122.75

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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.