Home / 13,304.79-18,360.60-7,336.84

Finding the Fourth Proportional to 13,304.79, 18,360.60 and 7,336.84

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Solution

The fourth proportional to 13,304.79, 18,360.60 and 7,336.84 is: 10,124.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.79 : 18,360.60 = 7,336.84 : x
  2. Step 2: Convert to fraction form
    13,304.79/18,360.60 = 7,336.84/x
  3. Step 3: Cross multiply
    13,304.79x = 18,360.60 × 7,336.84
  4. Step 4: Simplify right side
    13,304.79x = 134,708,714.51
  5. Step 5: Solve for x
    x = 134,708,714.51/13,304.79
  6. Step 6: Final answer
    x = 10,124.83

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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.