Home / 11,254.47-16,872.57-4,685.57

Finding the Fourth Proportional to 11,254.47, 16,872.57 and 4,685.57

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Solution

The fourth proportional to 11,254.47, 16,872.57 and 4,685.57 is: 7,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.47 : 16,872.57 = 4,685.57 : x
  2. Step 2: Convert to fraction form
    11,254.47/16,872.57 = 4,685.57/x
  3. Step 3: Cross multiply
    11,254.47x = 16,872.57 × 4,685.57
  4. Step 4: Simplify right side
    11,254.47x = 79,057,607.81
  5. Step 5: Solve for x
    x = 79,057,607.81/11,254.47
  6. Step 6: Final answer
    x = 7,024.55

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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.