Home / 11,300.31-16,950.47-4,374.81

Finding the Fourth Proportional to 11,300.31, 16,950.47 and 4,374.81

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Solution

The fourth proportional to 11,300.31, 16,950.47 and 4,374.81 is: 6,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.31 : 16,950.47 = 4,374.81 : x
  2. Step 2: Convert to fraction form
    11,300.31/16,950.47 = 4,374.81/x
  3. Step 3: Cross multiply
    11,300.31x = 16,950.47 × 4,374.81
  4. Step 4: Simplify right side
    11,300.31x = 74,155,128.04
  5. Step 5: Solve for x
    x = 74,155,128.04/11,300.31
  6. Step 6: Final answer
    x = 6,562.22

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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.