Home / 9,932.76-14,889.36-4,742.28

Finding the Fourth Proportional to 9,932.76, 14,889.36 and 4,742.28

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Solution

The fourth proportional to 9,932.76, 14,889.36 and 4,742.28 is: 7,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,932.76 : 14,889.36 = 4,742.28 : x
  2. Step 2: Convert to fraction form
    9,932.76/14,889.36 = 4,742.28/x
  3. Step 3: Cross multiply
    9,932.76x = 14,889.36 × 4,742.28
  4. Step 4: Simplify right side
    9,932.76x = 70,609,514.14
  5. Step 5: Solve for x
    x = 70,609,514.14/9,932.76
  6. Step 6: Final answer
    x = 7,108.75

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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.