Home / 8,712.12-13,068.18-3,518.04

Finding the Fourth Proportional to 8,712.12, 13,068.18 and 3,518.04

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Solution

The fourth proportional to 8,712.12, 13,068.18 and 3,518.04 is: 5,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.12 : 13,068.18 = 3,518.04 : x
  2. Step 2: Convert to fraction form
    8,712.12/13,068.18 = 3,518.04/x
  3. Step 3: Cross multiply
    8,712.12x = 13,068.18 × 3,518.04
  4. Step 4: Simplify right side
    8,712.12x = 45,974,379.97
  5. Step 5: Solve for x
    x = 45,974,379.97/8,712.12
  6. Step 6: Final answer
    x = 5,277.06

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1.5x scale

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.