Home / 11,774.77-16,248.40-6,469.47

Finding the Fourth Proportional to 11,774.77, 16,248.40 and 6,469.47

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Solution

The fourth proportional to 11,774.77, 16,248.40 and 6,469.47 is: 8,927.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774.77 : 16,248.40 = 6,469.47 : x
  2. Step 2: Convert to fraction form
    11,774.77/16,248.40 = 6,469.47/x
  3. Step 3: Cross multiply
    11,774.77x = 16,248.40 × 6,469.47
  4. Step 4: Simplify right side
    11,774.77x = 105,118,520.17
  5. Step 5: Solve for x
    x = 105,118,520.17/11,774.77
  6. Step 6: Final answer
    x = 8,927.44

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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.