Home / 11,595.40-16,003.38-9,704.20

Finding the Fourth Proportional to 11,595.40, 16,003.38 and 9,704.20

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Solution

The fourth proportional to 11,595.40, 16,003.38 and 9,704.20 is: 13,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,595.40 : 16,003.38 = 9,704.20 : x
  2. Step 2: Convert to fraction form
    11,595.40/16,003.38 = 9,704.20/x
  3. Step 3: Cross multiply
    11,595.40x = 16,003.38 × 9,704.20
  4. Step 4: Simplify right side
    11,595.40x = 155,300,000.20
  5. Step 5: Solve for x
    x = 155,300,000.20/11,595.40
  6. Step 6: Final answer
    x = 13,393.24

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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.