Home / 9,921.07-13,691.44-5,444.96

Finding the Fourth Proportional to 9,921.07, 13,691.44 and 5,444.96

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Solution

The fourth proportional to 9,921.07, 13,691.44 and 5,444.96 is: 7,514.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.07 : 13,691.44 = 5,444.96 : x
  2. Step 2: Convert to fraction form
    9,921.07/13,691.44 = 5,444.96/x
  3. Step 3: Cross multiply
    9,921.07x = 13,691.44 × 5,444.96
  4. Step 4: Simplify right side
    9,921.07x = 74,549,343.14
  5. Step 5: Solve for x
    x = 74,549,343.14/9,921.07
  6. Step 6: Final answer
    x = 7,514.24

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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.