Home / 9,786.56-14,671.53-3,210.98

Finding the Fourth Proportional to 9,786.56, 14,671.53 and 3,210.98

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Solution

The fourth proportional to 9,786.56, 14,671.53 and 3,210.98 is: 4,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.56 : 14,671.53 = 3,210.98 : x
  2. Step 2: Convert to fraction form
    9,786.56/14,671.53 = 3,210.98/x
  3. Step 3: Cross multiply
    9,786.56x = 14,671.53 × 3,210.98
  4. Step 4: Simplify right side
    9,786.56x = 47,109,916.04
  5. Step 5: Solve for x
    x = 47,109,916.04/9,786.56
  6. Step 6: Final answer
    x = 4,813.74

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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.