Home / 10,973.43-16,451.64-5,422.95

Finding the Fourth Proportional to 10,973.43, 16,451.64 and 5,422.95

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Solution

The fourth proportional to 10,973.43, 16,451.64 and 5,422.95 is: 8,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973.43 : 16,451.64 = 5,422.95 : x
  2. Step 2: Convert to fraction form
    10,973.43/16,451.64 = 5,422.95/x
  3. Step 3: Cross multiply
    10,973.43x = 16,451.64 × 5,422.95
  4. Step 4: Simplify right side
    10,973.43x = 89,216,421.14
  5. Step 5: Solve for x
    x = 89,216,421.14/10,973.43
  6. Step 6: Final answer
    x = 8,130.22

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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.