Home / 11,000.46-15,180.43-6,220.32

Finding the Fourth Proportional to 11,000.46, 15,180.43 and 6,220.32

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Solution

The fourth proportional to 11,000.46, 15,180.43 and 6,220.32 is: 8,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.46 : 15,180.43 = 6,220.32 : x
  2. Step 2: Convert to fraction form
    11,000.46/15,180.43 = 6,220.32/x
  3. Step 3: Cross multiply
    11,000.46x = 15,180.43 × 6,220.32
  4. Step 4: Simplify right side
    11,000.46x = 94,427,132.34
  5. Step 5: Solve for x
    x = 94,427,132.34/11,000.46
  6. Step 6: Final answer
    x = 8,583.93

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Half scale
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Double 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.