Home / 8,590.46-12,887.10-3,042.61

Finding the Fourth Proportional to 8,590.46, 12,887.10 and 3,042.61

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Solution

The fourth proportional to 8,590.46, 12,887.10 and 3,042.61 is: 4,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.46 : 12,887.10 = 3,042.61 : x
  2. Step 2: Convert to fraction form
    8,590.46/12,887.10 = 3,042.61/x
  3. Step 3: Cross multiply
    8,590.46x = 12,887.10 × 3,042.61
  4. Step 4: Simplify right side
    8,590.46x = 39,210,343.49
  5. Step 5: Solve for x
    x = 39,210,343.49/8,590.46
  6. Step 6: Final answer
    x = 4,564.40

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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.