Home / 11,637.18-17,448.48-7,684.25

Finding the Fourth Proportional to 11,637.18, 17,448.48 and 7,684.25

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Solution

The fourth proportional to 11,637.18, 17,448.48 and 7,684.25 is: 11,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,637.18 : 17,448.48 = 7,684.25 : x
  2. Step 2: Convert to fraction form
    11,637.18/17,448.48 = 7,684.25/x
  3. Step 3: Cross multiply
    11,637.18x = 17,448.48 × 7,684.25
  4. Step 4: Simplify right side
    11,637.18x = 134,078,395.20
  5. Step 5: Solve for x
    x = 134,078,395.20/11,637.18
  6. Step 6: Final answer
    x = 11,521.55

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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.