Home / 12,551.58-17,319.15-7,245.63

Finding the Fourth Proportional to 12,551.58, 17,319.15 and 7,245.63

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Solution

The fourth proportional to 12,551.58, 17,319.15 and 7,245.63 is: 9,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.58 : 17,319.15 = 7,245.63 : x
  2. Step 2: Convert to fraction form
    12,551.58/17,319.15 = 7,245.63/x
  3. Step 3: Cross multiply
    12,551.58x = 17,319.15 × 7,245.63
  4. Step 4: Simplify right side
    12,551.58x = 125,488,152.81
  5. Step 5: Solve for x
    x = 125,488,152.81/12,551.58
  6. Step 6: Final answer
    x = 9,997.80

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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.