Home / 13,301.30-18,354.51-7,331.46

Finding the Fourth Proportional to 13,301.30, 18,354.51 and 7,331.46

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Solution

The fourth proportional to 13,301.30, 18,354.51 and 7,331.46 is: 10,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.30 : 18,354.51 = 7,331.46 : x
  2. Step 2: Convert to fraction form
    13,301.30/18,354.51 = 7,331.46/x
  3. Step 3: Cross multiply
    13,301.30x = 18,354.51 × 7,331.46
  4. Step 4: Simplify right side
    13,301.30x = 134,565,355.88
  5. Step 5: Solve for x
    x = 134,565,355.88/13,301.30
  6. Step 6: Final answer
    x = 10,116.71

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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.