Home / 10,253.90-14,149.49-5,776.85

Finding the Fourth Proportional to 10,253.90, 14,149.49 and 5,776.85

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Solution

The fourth proportional to 10,253.90, 14,149.49 and 5,776.85 is: 7,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.90 : 14,149.49 = 5,776.85 : x
  2. Step 2: Convert to fraction form
    10,253.90/14,149.49 = 5,776.85/x
  3. Step 3: Cross multiply
    10,253.90x = 14,149.49 × 5,776.85
  4. Step 4: Simplify right side
    10,253.90x = 81,739,381.67
  5. Step 5: Solve for x
    x = 81,739,381.67/10,253.90
  6. Step 6: Final answer
    x = 7,971.54

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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.