Home / 12,513.60-18,773.16-4,722.48

Finding the Fourth Proportional to 12,513.60, 18,773.16 and 4,722.48

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Solution

The fourth proportional to 12,513.60, 18,773.16 and 4,722.48 is: 7,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.60 : 18,773.16 = 4,722.48 : x
  2. Step 2: Convert to fraction form
    12,513.60/18,773.16 = 4,722.48/x
  3. Step 3: Cross multiply
    12,513.60x = 18,773.16 × 4,722.48
  4. Step 4: Simplify right side
    12,513.60x = 88,655,872.64
  5. Step 5: Solve for x
    x = 88,655,872.64/12,513.60
  6. Step 6: Final answer
    x = 7,084.76

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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.