Home / 8,471.12-12,703.41-6,124.01

Finding the Fourth Proportional to 8,471.12, 12,703.41 and 6,124.01

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Solution

The fourth proportional to 8,471.12, 12,703.41 and 6,124.01 is: 9,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471.12 : 12,703.41 = 6,124.01 : x
  2. Step 2: Convert to fraction form
    8,471.12/12,703.41 = 6,124.01/x
  3. Step 3: Cross multiply
    8,471.12x = 12,703.41 × 6,124.01
  4. Step 4: Simplify right side
    8,471.12x = 77,795,746.36
  5. Step 5: Solve for x
    x = 77,795,746.36/8,471.12
  6. Step 6: Final answer
    x = 9,183.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.