Home / 7,423.74-11,141.06-5,980.32

Finding the Fourth Proportional to 7,423.74, 11,141.06 and 5,980.32

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Solution

The fourth proportional to 7,423.74, 11,141.06 and 5,980.32 is: 8,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.74 : 11,141.06 = 5,980.32 : x
  2. Step 2: Convert to fraction form
    7,423.74/11,141.06 = 5,980.32/x
  3. Step 3: Cross multiply
    7,423.74x = 11,141.06 × 5,980.32
  4. Step 4: Simplify right side
    7,423.74x = 66,627,074.04
  5. Step 5: Solve for x
    x = 66,627,074.04/7,423.74
  6. Step 6: Final answer
    x = 8,974.87

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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.