Home / 8,001.06-12,001.80-4,716.51

Finding the Fourth Proportional to 8,001.06, 12,001.80 and 4,716.51

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Solution

The fourth proportional to 8,001.06, 12,001.80 and 4,716.51 is: 7,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.06 : 12,001.80 = 4,716.51 : x
  2. Step 2: Convert to fraction form
    8,001.06/12,001.80 = 4,716.51/x
  3. Step 3: Cross multiply
    8,001.06x = 12,001.80 × 4,716.51
  4. Step 4: Simplify right side
    8,001.06x = 56,606,609.72
  5. Step 5: Solve for x
    x = 56,606,609.72/8,001.06
  6. Step 6: Final answer
    x = 7,074.89

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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.