Home / 7,480.54-11,220.40-6,087.34

Finding the Fourth Proportional to 7,480.54, 11,220.40 and 6,087.34

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Solution

The fourth proportional to 7,480.54, 11,220.40 and 6,087.34 is: 9,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.54 : 11,220.40 = 6,087.34 : x
  2. Step 2: Convert to fraction form
    7,480.54/11,220.40 = 6,087.34/x
  3. Step 3: Cross multiply
    7,480.54x = 11,220.40 × 6,087.34
  4. Step 4: Simplify right side
    7,480.54x = 68,302,389.74
  5. Step 5: Solve for x
    x = 68,302,389.74/7,480.54
  6. Step 6: Final answer
    x = 9,130.68

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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.