Home / 10,311.49-15,467.28-3,735.10

Finding the Fourth Proportional to 10,311.49, 15,467.28 and 3,735.10

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Solution

The fourth proportional to 10,311.49, 15,467.28 and 3,735.10 is: 5,602.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.49 : 15,467.28 = 3,735.10 : x
  2. Step 2: Convert to fraction form
    10,311.49/15,467.28 = 3,735.10/x
  3. Step 3: Cross multiply
    10,311.49x = 15,467.28 × 3,735.10
  4. Step 4: Simplify right side
    10,311.49x = 57,771,837.53
  5. Step 5: Solve for x
    x = 57,771,837.53/10,311.49
  6. Step 6: Final answer
    x = 5,602.67

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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.