Home / 11,975.51-16,528.13-6,942.65

Finding the Fourth Proportional to 11,975.51, 16,528.13 and 6,942.65

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Solution

The fourth proportional to 11,975.51, 16,528.13 and 6,942.65 is: 9,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.51 : 16,528.13 = 6,942.65 : x
  2. Step 2: Convert to fraction form
    11,975.51/16,528.13 = 6,942.65/x
  3. Step 3: Cross multiply
    11,975.51x = 16,528.13 × 6,942.65
  4. Step 4: Simplify right side
    11,975.51x = 114,748,969.48
  5. Step 5: Solve for x
    x = 114,748,969.48/11,975.51
  6. Step 6: Final answer
    x = 9,581.97

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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.