Home / 8,980.96-13,468.56-2,975.93

Finding the Fourth Proportional to 8,980.96, 13,468.56 and 2,975.93

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Solution

The fourth proportional to 8,980.96, 13,468.56 and 2,975.93 is: 4,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.96 : 13,468.56 = 2,975.93 : x
  2. Step 2: Convert to fraction form
    8,980.96/13,468.56 = 2,975.93/x
  3. Step 3: Cross multiply
    8,980.96x = 13,468.56 × 2,975.93
  4. Step 4: Simplify right side
    8,980.96x = 40,081,491.76
  5. Step 5: Solve for x
    x = 40,081,491.76/8,980.96
  6. Step 6: Final answer
    x = 4,462.94

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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.