Home / 10,521.21-14,520.16-6,046.50

Finding the Fourth Proportional to 10,521.21, 14,520.16 and 6,046.50

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Solution

The fourth proportional to 10,521.21, 14,520.16 and 6,046.50 is: 8,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.21 : 14,520.16 = 6,046.50 : x
  2. Step 2: Convert to fraction form
    10,521.21/14,520.16 = 6,046.50/x
  3. Step 3: Cross multiply
    10,521.21x = 14,520.16 × 6,046.50
  4. Step 4: Simplify right side
    10,521.21x = 87,796,155.00
  5. Step 5: Solve for x
    x = 87,796,155.00/10,521.21
  6. Step 6: Final answer
    x = 8,344.68

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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.