Home / 11,860.47-16,366.59-6,555.38

Finding the Fourth Proportional to 11,860.47, 16,366.59 and 6,555.38

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Solution

The fourth proportional to 11,860.47, 16,366.59 and 6,555.38 is: 9,045.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.47 : 16,366.59 = 6,555.38 : x
  2. Step 2: Convert to fraction form
    11,860.47/16,366.59 = 6,555.38/x
  3. Step 3: Cross multiply
    11,860.47x = 16,366.59 × 6,555.38
  4. Step 4: Simplify right side
    11,860.47x = 107,289,134.92
  5. Step 5: Solve for x
    x = 107,289,134.92/11,860.47
  6. Step 6: Final answer
    x = 9,045.94

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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.