Home / 11,878.52-16,391.95-6,573.56

Finding the Fourth Proportional to 11,878.52, 16,391.95 and 6,573.56

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Solution

The fourth proportional to 11,878.52, 16,391.95 and 6,573.56 is: 9,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878.52 : 16,391.95 = 6,573.56 : x
  2. Step 2: Convert to fraction form
    11,878.52/16,391.95 = 6,573.56/x
  3. Step 3: Cross multiply
    11,878.52x = 16,391.95 × 6,573.56
  4. Step 4: Simplify right side
    11,878.52x = 107,753,368.45
  5. Step 5: Solve for x
    x = 107,753,368.45/11,878.52
  6. Step 6: Final answer
    x = 9,071.28

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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.