Home / 10,455.30-14,427.34-6,205.63

Finding the Fourth Proportional to 10,455.30, 14,427.34 and 6,205.63

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Solution

The fourth proportional to 10,455.30, 14,427.34 and 6,205.63 is: 8,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.30 : 14,427.34 = 6,205.63 : x
  2. Step 2: Convert to fraction form
    10,455.30/14,427.34 = 6,205.63/x
  3. Step 3: Cross multiply
    10,455.30x = 14,427.34 × 6,205.63
  4. Step 4: Simplify right side
    10,455.30x = 89,530,733.92
  5. Step 5: Solve for x
    x = 89,530,733.92/10,455.30
  6. Step 6: Final answer
    x = 8,563.19

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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.