Home / 12,845.88-19,276.38-5,056.92

Finding the Fourth Proportional to 12,845.88, 19,276.38 and 5,056.92

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Solution

The fourth proportional to 12,845.88, 19,276.38 and 5,056.92 is: 7,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.88 : 19,276.38 = 5,056.92 : x
  2. Step 2: Convert to fraction form
    12,845.88/19,276.38 = 5,056.92/x
  3. Step 3: Cross multiply
    12,845.88x = 19,276.38 × 5,056.92
  4. Step 4: Simplify right side
    12,845.88x = 97,479,111.55
  5. Step 5: Solve for x
    x = 97,479,111.55/12,845.88
  6. Step 6: Final answer
    x = 7,588.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.