Home / 8,407.89-11,602.85-4,630.96

Finding the Fourth Proportional to 8,407.89, 11,602.85 and 4,630.96

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Solution

The fourth proportional to 8,407.89, 11,602.85 and 4,630.96 is: 6,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.89 : 11,602.85 = 4,630.96 : x
  2. Step 2: Convert to fraction form
    8,407.89/11,602.85 = 4,630.96/x
  3. Step 3: Cross multiply
    8,407.89x = 11,602.85 × 4,630.96
  4. Step 4: Simplify right side
    8,407.89x = 53,732,309.27
  5. Step 5: Solve for x
    x = 53,732,309.27/8,407.89
  6. Step 6: Final answer
    x = 6,390.70

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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.