Home / 12,005.07-16,566.96-6,699.84

Finding the Fourth Proportional to 12,005.07, 16,566.96 and 6,699.84

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Solution

The fourth proportional to 12,005.07, 16,566.96 and 6,699.84 is: 9,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005.07 : 16,566.96 = 6,699.84 : x
  2. Step 2: Convert to fraction form
    12,005.07/16,566.96 = 6,699.84/x
  3. Step 3: Cross multiply
    12,005.07x = 16,566.96 × 6,699.84
  4. Step 4: Simplify right side
    12,005.07x = 110,995,981.29
  5. Step 5: Solve for x
    x = 110,995,981.29/12,005.07
  6. Step 6: Final answer
    x = 9,245.76

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1.5x scale

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.