Home / 9,587.62-13,231.56-5,338.63

Finding the Fourth Proportional to 9,587.62, 13,231.56 and 5,338.63

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Solution

The fourth proportional to 9,587.62, 13,231.56 and 5,338.63 is: 7,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,587.62 : 13,231.56 = 5,338.63 : x
  2. Step 2: Convert to fraction form
    9,587.62/13,231.56 = 5,338.63/x
  3. Step 3: Cross multiply
    9,587.62x = 13,231.56 × 5,338.63
  4. Step 4: Simplify right side
    9,587.62x = 70,638,403.16
  5. Step 5: Solve for x
    x = 70,638,403.16/9,587.62
  6. Step 6: Final answer
    x = 7,367.67

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Half 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.