Home / 9,207.24-12,707.64-5,229.96

Finding the Fourth Proportional to 9,207.24, 12,707.64 and 5,229.96

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Solution

The fourth proportional to 9,207.24, 12,707.64 and 5,229.96 is: 7,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.24 : 12,707.64 = 5,229.96 : x
  2. Step 2: Convert to fraction form
    9,207.24/12,707.64 = 5,229.96/x
  3. Step 3: Cross multiply
    9,207.24x = 12,707.64 × 5,229.96
  4. Step 4: Simplify right side
    9,207.24x = 66,460,448.89
  5. Step 5: Solve for x
    x = 66,460,448.89/9,207.24
  6. Step 6: Final answer
    x = 7,218.28

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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.