Home / 9,153.22-12,631.26-5,174.23

Finding the Fourth Proportional to 9,153.22, 12,631.26 and 5,174.23

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Solution

The fourth proportional to 9,153.22, 12,631.26 and 5,174.23 is: 7,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.22 : 12,631.26 = 5,174.23 : x
  2. Step 2: Convert to fraction form
    9,153.22/12,631.26 = 5,174.23/x
  3. Step 3: Cross multiply
    9,153.22x = 12,631.26 × 5,174.23
  4. Step 4: Simplify right side
    9,153.22x = 65,357,044.43
  5. Step 5: Solve for x
    x = 65,357,044.43/9,153.22
  6. Step 6: Final answer
    x = 7,140.33

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.