Home / 8,309.24-11,461.59-4,949.76

Finding the Fourth Proportional to 8,309.24, 11,461.59 and 4,949.76

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Solution

The fourth proportional to 8,309.24, 11,461.59 and 4,949.76 is: 6,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.24 : 11,461.59 = 4,949.76 : x
  2. Step 2: Convert to fraction form
    8,309.24/11,461.59 = 4,949.76/x
  3. Step 3: Cross multiply
    8,309.24x = 11,461.59 × 4,949.76
  4. Step 4: Simplify right side
    8,309.24x = 56,732,119.72
  5. Step 5: Solve for x
    x = 56,732,119.72/8,309.24
  6. Step 6: Final answer
    x = 6,827.59

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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.