Home / 10,707.28-16,062.12-2,916.16

Finding the Fourth Proportional to 10,707.28, 16,062.12 and 2,916.16

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Solution

The fourth proportional to 10,707.28, 16,062.12 and 2,916.16 is: 4,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.28 : 16,062.12 = 2,916.16 : x
  2. Step 2: Convert to fraction form
    10,707.28/16,062.12 = 2,916.16/x
  3. Step 3: Cross multiply
    10,707.28x = 16,062.12 × 2,916.16
  4. Step 4: Simplify right side
    10,707.28x = 46,839,711.86
  5. Step 5: Solve for x
    x = 46,839,711.86/10,707.28
  6. Step 6: Final answer
    x = 4,374.57

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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.