Home / 11,011.42-15,195.67-6,231.32

Finding the Fourth Proportional to 11,011.42, 15,195.67 and 6,231.32

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Solution

The fourth proportional to 11,011.42, 15,195.67 and 6,231.32 is: 8,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.42 : 15,195.67 = 6,231.32 : x
  2. Step 2: Convert to fraction form
    11,011.42/15,195.67 = 6,231.32/x
  3. Step 3: Cross multiply
    11,011.42x = 15,195.67 × 6,231.32
  4. Step 4: Simplify right side
    11,011.42x = 94,689,082.38
  5. Step 5: Solve for x
    x = 94,689,082.38/11,011.42
  6. Step 6: Final answer
    x = 8,599.17

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Half scale
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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.