Home / 8,717.82-12,030.51-4,739.04

Finding the Fourth Proportional to 8,717.82, 12,030.51 and 4,739.04

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Solution

The fourth proportional to 8,717.82, 12,030.51 and 4,739.04 is: 6,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.82 : 12,030.51 = 4,739.04 : x
  2. Step 2: Convert to fraction form
    8,717.82/12,030.51 = 4,739.04/x
  3. Step 3: Cross multiply
    8,717.82x = 12,030.51 × 4,739.04
  4. Step 4: Simplify right side
    8,717.82x = 57,013,068.11
  5. Step 5: Solve for x
    x = 57,013,068.11/8,717.82
  6. Step 6: Final answer
    x = 6,539.83

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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.