Home / 11,240.69-15,512.30-6,461.34

Finding the Fourth Proportional to 11,240.69, 15,512.30 and 6,461.34

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Solution

The fourth proportional to 11,240.69, 15,512.30 and 6,461.34 is: 8,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.69 : 15,512.30 = 6,461.34 : x
  2. Step 2: Convert to fraction form
    11,240.69/15,512.30 = 6,461.34/x
  3. Step 3: Cross multiply
    11,240.69x = 15,512.30 × 6,461.34
  4. Step 4: Simplify right side
    11,240.69x = 100,230,212.18
  5. Step 5: Solve for x
    x = 100,230,212.18/11,240.69
  6. Step 6: Final answer
    x = 8,916.74

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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.