Home / 9,707.82-13,396.77-5,516.07

Finding the Fourth Proportional to 9,707.82, 13,396.77 and 5,516.07

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Solution

The fourth proportional to 9,707.82, 13,396.77 and 5,516.07 is: 7,612.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707.82 : 13,396.77 = 5,516.07 : x
  2. Step 2: Convert to fraction form
    9,707.82/13,396.77 = 5,516.07/x
  3. Step 3: Cross multiply
    9,707.82x = 13,396.77 × 5,516.07
  4. Step 4: Simplify right side
    9,707.82x = 73,897,521.09
  5. Step 5: Solve for x
    x = 73,897,521.09/9,707.82
  6. Step 6: Final answer
    x = 7,612.16

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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.