Home / 13,294.30-18,346.60-7,326.42

Finding the Fourth Proportional to 13,294.30, 18,346.60 and 7,326.42

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Solution

The fourth proportional to 13,294.30, 18,346.60 and 7,326.42 is: 10,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.30 : 18,346.60 = 7,326.42 : x
  2. Step 2: Convert to fraction form
    13,294.30/18,346.60 = 7,326.42/x
  3. Step 3: Cross multiply
    13,294.30x = 18,346.60 × 7,326.42
  4. Step 4: Simplify right side
    13,294.30x = 134,414,897.17
  5. Step 5: Solve for x
    x = 134,414,897.17/13,294.30
  6. Step 6: Final answer
    x = 10,110.72

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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.