Home / 7,010.36-10,515.54-4,812.42

Finding the Fourth Proportional to 7,010.36, 10,515.54 and 4,812.42

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Solution

The fourth proportional to 7,010.36, 10,515.54 and 4,812.42 is: 7,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.36 : 10,515.54 = 4,812.42 : x
  2. Step 2: Convert to fraction form
    7,010.36/10,515.54 = 4,812.42/x
  3. Step 3: Cross multiply
    7,010.36x = 10,515.54 × 4,812.42
  4. Step 4: Simplify right side
    7,010.36x = 50,605,170.94
  5. Step 5: Solve for x
    x = 50,605,170.94/7,010.36
  6. Step 6: Final answer
    x = 7,218.63

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.