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Finding the Fourth Proportional to 10,135.46, 15,203.46 and 4,291.04

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Solution

The fourth proportional to 10,135.46, 15,203.46 and 4,291.04 is: 6,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.46 : 15,203.46 = 4,291.04 : x
  2. Step 2: Convert to fraction form
    10,135.46/15,203.46 = 4,291.04/x
  3. Step 3: Cross multiply
    10,135.46x = 15,203.46 × 4,291.04
  4. Step 4: Simplify right side
    10,135.46x = 65,238,655.00
  5. Step 5: Solve for x
    x = 65,238,655.00/10,135.46
  6. Step 6: Final answer
    x = 6,436.67

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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.