Home / 13,249.56-18,265.13-9,258.29

Finding the Fourth Proportional to 13,249.56, 18,265.13 and 9,258.29

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Solution

The fourth proportional to 13,249.56, 18,265.13 and 9,258.29 is: 12,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.56 : 18,265.13 = 9,258.29 : x
  2. Step 2: Convert to fraction form
    13,249.56/18,265.13 = 9,258.29/x
  3. Step 3: Cross multiply
    13,249.56x = 18,265.13 × 9,258.29
  4. Step 4: Simplify right side
    13,249.56x = 169,103,779.10
  5. Step 5: Solve for x
    x = 169,103,779.10/13,249.56
  6. Step 6: Final answer
    x = 12,762.97

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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.