Home / 10,824.10-14,945.72-8,302.21

Finding the Fourth Proportional to 10,824.10, 14,945.72 and 8,302.21

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Solution

The fourth proportional to 10,824.10, 14,945.72 and 8,302.21 is: 11,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.10 : 14,945.72 = 8,302.21 : x
  2. Step 2: Convert to fraction form
    10,824.10/14,945.72 = 8,302.21/x
  3. Step 3: Cross multiply
    10,824.10x = 14,945.72 × 8,302.21
  4. Step 4: Simplify right side
    10,824.10x = 124,082,511.24
  5. Step 5: Solve for x
    x = 124,082,511.24/10,824.10
  6. Step 6: Final answer
    x = 11,463.54

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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.