Home / 9,513.15-14,258.68-5,121.38

Finding the Fourth Proportional to 9,513.15, 14,258.68 and 5,121.38

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Solution

The fourth proportional to 9,513.15, 14,258.68 and 5,121.38 is: 7,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513.15 : 14,258.68 = 5,121.38 : x
  2. Step 2: Convert to fraction form
    9,513.15/14,258.68 = 5,121.38/x
  3. Step 3: Cross multiply
    9,513.15x = 14,258.68 × 5,121.38
  4. Step 4: Simplify right side
    9,513.15x = 73,024,090.02
  5. Step 5: Solve for x
    x = 73,024,090.02/9,513.15
  6. Step 6: Final answer
    x = 7,676.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.