Home / 12,051.86-16,631.60-6,746.76

Finding the Fourth Proportional to 12,051.86, 16,631.60 and 6,746.76

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Solution

The fourth proportional to 12,051.86, 16,631.60 and 6,746.76 is: 9,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.86 : 16,631.60 = 6,746.76 : x
  2. Step 2: Convert to fraction form
    12,051.86/16,631.60 = 6,746.76/x
  3. Step 3: Cross multiply
    12,051.86x = 16,631.60 × 6,746.76
  4. Step 4: Simplify right side
    12,051.86x = 112,209,379.88
  5. Step 5: Solve for x
    x = 112,209,379.88/12,051.86
  6. Step 6: Final answer
    x = 9,310.55

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Double scale
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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.