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Finding the Fourth Proportional to 8,153.62, 11,253 and 4,616.76

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Solution

The fourth proportional to 8,153.62, 11,253 and 4,616.76 is: 6,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.62 : 11,253 = 4,616.76 : x
  2. Step 2: Convert to fraction form
    8,153.62/11,253 = 4,616.76/x
  3. Step 3: Cross multiply
    8,153.62x = 11,253 × 4,616.76
  4. Step 4: Simplify right side
    8,153.62x = 51,952,400.28
  5. Step 5: Solve for x
    x = 51,952,400.28/8,153.62
  6. Step 6: Final answer
    x = 6,371.70

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,154.62, 11,254.38 and 4,617.76
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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.