Home / 9,882.22-13,637.27-5,405.96

Finding the Fourth Proportional to 9,882.22, 13,637.27 and 5,405.96

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Solution

The fourth proportional to 9,882.22, 13,637.27 and 5,405.96 is: 7,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882.22 : 13,637.27 = 5,405.96 : x
  2. Step 2: Convert to fraction form
    9,882.22/13,637.27 = 5,405.96/x
  3. Step 3: Cross multiply
    9,882.22x = 13,637.27 × 5,405.96
  4. Step 4: Simplify right side
    9,882.22x = 73,722,536.13
  5. Step 5: Solve for x
    x = 73,722,536.13/9,882.22
  6. Step 6: Final answer
    x = 7,460.12

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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.