Home / 10,367.47-15,551.15-2,971.92

Finding the Fourth Proportional to 10,367.47, 15,551.15 and 2,971.92

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Solution

The fourth proportional to 10,367.47, 15,551.15 and 2,971.92 is: 4,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.47 : 15,551.15 = 2,971.92 : x
  2. Step 2: Convert to fraction form
    10,367.47/15,551.15 = 2,971.92/x
  3. Step 3: Cross multiply
    10,367.47x = 15,551.15 × 2,971.92
  4. Step 4: Simplify right side
    10,367.47x = 46,216,773.71
  5. Step 5: Solve for x
    x = 46,216,773.71/10,367.47
  6. Step 6: Final answer
    x = 4,457.86

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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.