Home / 10,487.21-14,467.59-6,235.85

Finding the Fourth Proportional to 10,487.21, 14,467.59 and 6,235.85

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Solution

The fourth proportional to 10,487.21, 14,467.59 and 6,235.85 is: 8,602.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.21 : 14,467.59 = 6,235.85 : x
  2. Step 2: Convert to fraction form
    10,487.21/14,467.59 = 6,235.85/x
  3. Step 3: Cross multiply
    10,487.21x = 14,467.59 × 6,235.85
  4. Step 4: Simplify right side
    10,487.21x = 90,217,757.27
  5. Step 5: Solve for x
    x = 90,217,757.27/10,487.21
  6. Step 6: Final answer
    x = 8,602.65

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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.