Home / 8,727.96-12,045.75-5,193.12

Finding the Fourth Proportional to 8,727.96, 12,045.75 and 5,193.12

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Solution

The fourth proportional to 8,727.96, 12,045.75 and 5,193.12 is: 7,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.96 : 12,045.75 = 5,193.12 : x
  2. Step 2: Convert to fraction form
    8,727.96/12,045.75 = 5,193.12/x
  3. Step 3: Cross multiply
    8,727.96x = 12,045.75 × 5,193.12
  4. Step 4: Simplify right side
    8,727.96x = 62,555,025.24
  5. Step 5: Solve for x
    x = 62,555,025.24/8,727.96
  6. Step 6: Final answer
    x = 7,167.20

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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.