Home / 8,727.15-12,043.72-4,748.51

Finding the Fourth Proportional to 8,727.15, 12,043.72 and 4,748.51

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Solution

The fourth proportional to 8,727.15, 12,043.72 and 4,748.51 is: 6,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.15 : 12,043.72 = 4,748.51 : x
  2. Step 2: Convert to fraction form
    8,727.15/12,043.72 = 4,748.51/x
  3. Step 3: Cross multiply
    8,727.15x = 12,043.72 × 4,748.51
  4. Step 4: Simplify right side
    8,727.15x = 57,189,701.11
  5. Step 5: Solve for x
    x = 57,189,701.11/8,727.15
  6. Step 6: Final answer
    x = 6,553.08

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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.