Home / 11,731.49-17,574.55-6,521.57

Finding the Fourth Proportional to 11,731.49, 17,574.55 and 6,521.57

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Solution

The fourth proportional to 11,731.49, 17,574.55 and 6,521.57 is: 9,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.49 : 17,574.55 = 6,521.57 : x
  2. Step 2: Convert to fraction form
    11,731.49/17,574.55 = 6,521.57/x
  3. Step 3: Cross multiply
    11,731.49x = 17,574.55 × 6,521.57
  4. Step 4: Simplify right side
    11,731.49x = 114,613,658.04
  5. Step 5: Solve for x
    x = 114,613,658.04/11,731.49
  6. Step 6: Final answer
    x = 9,769.74

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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.