Home / 11,011.49-15,190.80-6,532.69

Finding the Fourth Proportional to 11,011.49, 15,190.80 and 6,532.69

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Solution

The fourth proportional to 11,011.49, 15,190.80 and 6,532.69 is: 9,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.49 : 15,190.80 = 6,532.69 : x
  2. Step 2: Convert to fraction form
    11,011.49/15,190.80 = 6,532.69/x
  3. Step 3: Cross multiply
    11,011.49x = 15,190.80 × 6,532.69
  4. Step 4: Simplify right side
    11,011.49x = 99,236,822.57
  5. Step 5: Solve for x
    x = 99,236,822.57/11,011.49
  6. Step 6: Final answer
    x = 9,012.12

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Double scale
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Similar ratio
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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.