Home / 9,173.62-12,657.78-5,587.66

Finding the Fourth Proportional to 9,173.62, 12,657.78 and 5,587.66

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Solution

The fourth proportional to 9,173.62, 12,657.78 and 5,587.66 is: 7,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.62 : 12,657.78 = 5,587.66 : x
  2. Step 2: Convert to fraction form
    9,173.62/12,657.78 = 5,587.66/x
  3. Step 3: Cross multiply
    9,173.62x = 12,657.78 × 5,587.66
  4. Step 4: Simplify right side
    9,173.62x = 70,727,370.99
  5. Step 5: Solve for x
    x = 70,727,370.99/9,173.62
  6. Step 6: Final answer
    x = 7,709.86

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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.