Home / 11,540.21-15,925.10-7,293.58

Finding the Fourth Proportional to 11,540.21, 15,925.10 and 7,293.58

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Solution

The fourth proportional to 11,540.21, 15,925.10 and 7,293.58 is: 10,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.21 : 15,925.10 = 7,293.58 : x
  2. Step 2: Convert to fraction form
    11,540.21/15,925.10 = 7,293.58/x
  3. Step 3: Cross multiply
    11,540.21x = 15,925.10 × 7,293.58
  4. Step 4: Simplify right side
    11,540.21x = 116,150,914.58
  5. Step 5: Solve for x
    x = 116,150,914.58/11,540.21
  6. Step 6: Final answer
    x = 10,064.89

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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.