Home / 9,712.16-14,562.12-3,870.44

Finding the Fourth Proportional to 9,712.16, 14,562.12 and 3,870.44

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Solution

The fourth proportional to 9,712.16, 14,562.12 and 3,870.44 is: 5,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.16 : 14,562.12 = 3,870.44 : x
  2. Step 2: Convert to fraction form
    9,712.16/14,562.12 = 3,870.44/x
  3. Step 3: Cross multiply
    9,712.16x = 14,562.12 × 3,870.44
  4. Step 4: Simplify right side
    9,712.16x = 56,361,811.73
  5. Step 5: Solve for x
    x = 56,361,811.73/9,712.16
  6. Step 6: Final answer
    x = 5,803.22

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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.