Home / 7,509.07-11,245.44-7,312.24

Finding the Fourth Proportional to 7,509.07, 11,245.44 and 7,312.24

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Solution

The fourth proportional to 7,509.07, 11,245.44 and 7,312.24 is: 10,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.07 : 11,245.44 = 7,312.24 : x
  2. Step 2: Convert to fraction form
    7,509.07/11,245.44 = 7,312.24/x
  3. Step 3: Cross multiply
    7,509.07x = 11,245.44 × 7,312.24
  4. Step 4: Simplify right side
    7,509.07x = 82,229,299.96
  5. Step 5: Solve for x
    x = 82,229,299.96/7,509.07
  6. Step 6: Final answer
    x = 10,950.67

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