Home / 8,434.02-11,638.92-4,849.23

Finding the Fourth Proportional to 8,434.02, 11,638.92 and 4,849.23

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Solution

The fourth proportional to 8,434.02, 11,638.92 and 4,849.23 is: 6,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.02 : 11,638.92 = 4,849.23 : x
  2. Step 2: Convert to fraction form
    8,434.02/11,638.92 = 4,849.23/x
  3. Step 3: Cross multiply
    8,434.02x = 11,638.92 × 4,849.23
  4. Step 4: Simplify right side
    8,434.02x = 56,439,800.03
  5. Step 5: Solve for x
    x = 56,439,800.03/8,434.02
  6. Step 6: Final answer
    x = 6,691.92

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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.