Home / 9,513.15-14,258.70-5,121.36

Finding the Fourth Proportional to 9,513.15, 14,258.70 and 5,121.36

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Solution

The fourth proportional to 9,513.15, 14,258.70 and 5,121.36 is: 7,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513.15 : 14,258.70 = 5,121.36 : x
  2. Step 2: Convert to fraction form
    9,513.15/14,258.70 = 5,121.36/x
  3. Step 3: Cross multiply
    9,513.15x = 14,258.70 × 5,121.36
  4. Step 4: Simplify right side
    9,513.15x = 73,023,935.83
  5. Step 5: Solve for x
    x = 73,023,935.83/9,513.15
  6. Step 6: Final answer
    x = 7,676.11

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1.5x scale

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.