Home / 8,330.10-11,495.58-4,553.21

Finding the Fourth Proportional to 8,330.10, 11,495.58 and 4,553.21

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Solution

The fourth proportional to 8,330.10, 11,495.58 and 4,553.21 is: 6,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.10 : 11,495.58 = 4,553.21 : x
  2. Step 2: Convert to fraction form
    8,330.10/11,495.58 = 4,553.21/x
  3. Step 3: Cross multiply
    8,330.10x = 11,495.58 × 4,553.21
  4. Step 4: Simplify right side
    8,330.10x = 52,341,732.33
  5. Step 5: Solve for x
    x = 52,341,732.33/8,330.10
  6. Step 6: Final answer
    x = 6,283.45

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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.