Home / 11,862.47-16,369.35-6,557.38

Finding the Fourth Proportional to 11,862.47, 16,369.35 and 6,557.38

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Solution

The fourth proportional to 11,862.47, 16,369.35 and 6,557.38 is: 9,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.47 : 16,369.35 = 6,557.38 : x
  2. Step 2: Convert to fraction form
    11,862.47/16,369.35 = 6,557.38/x
  3. Step 3: Cross multiply
    11,862.47x = 16,369.35 × 6,557.38
  4. Step 4: Simplify right side
    11,862.47x = 107,340,048.30
  5. Step 5: Solve for x
    x = 107,340,048.30/11,862.47
  6. Step 6: Final answer
    x = 9,048.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.