Home / 7,660.98-11,501.20-6,514.02

Finding the Fourth Proportional to 7,660.98, 11,501.20 and 6,514.02

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Solution

The fourth proportional to 7,660.98, 11,501.20 and 6,514.02 is: 9,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.98 : 11,501.20 = 6,514.02 : x
  2. Step 2: Convert to fraction form
    7,660.98/11,501.20 = 6,514.02/x
  3. Step 3: Cross multiply
    7,660.98x = 11,501.20 × 6,514.02
  4. Step 4: Simplify right side
    7,660.98x = 74,919,073.67
  5. Step 5: Solve for x
    x = 74,919,073.67/7,660.98
  6. Step 6: Final answer
    x = 9,779.30

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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.