Home / 8,370.48-12,555.96-4,670.64

Finding the Fourth Proportional to 8,370.48, 12,555.96 and 4,670.64

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Solution

The fourth proportional to 8,370.48, 12,555.96 and 4,670.64 is: 7,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.48 : 12,555.96 = 4,670.64 : x
  2. Step 2: Convert to fraction form
    8,370.48/12,555.96 = 4,670.64/x
  3. Step 3: Cross multiply
    8,370.48x = 12,555.96 × 4,670.64
  4. Step 4: Simplify right side
    8,370.48x = 58,644,369.01
  5. Step 5: Solve for x
    x = 58,644,369.01/8,370.48
  6. Step 6: Final answer
    x = 7,006.09

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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.