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Finding the Fourth Proportional to 8,582.11, 12,937.48 and 8,010.59

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Solution

The fourth proportional to 8,582.11, 12,937.48 and 8,010.59 is: 12,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.11 : 12,937.48 = 8,010.59 : x
  2. Step 2: Convert to fraction form
    8,582.11/12,937.48 = 8,010.59/x
  3. Step 3: Cross multiply
    8,582.11x = 12,937.48 × 8,010.59
  4. Step 4: Simplify right side
    8,582.11x = 103,636,763.20
  5. Step 5: Solve for x
    x = 103,636,763.20/8,582.11
  6. Step 6: Final answer
    x = 12,075.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.