Home / 9,787.93-14,680.20-3,214.24

Finding the Fourth Proportional to 9,787.93, 14,680.20 and 3,214.24

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Solution

The fourth proportional to 9,787.93, 14,680.20 and 3,214.24 is: 4,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.93 : 14,680.20 = 3,214.24 : x
  2. Step 2: Convert to fraction form
    9,787.93/14,680.20 = 3,214.24/x
  3. Step 3: Cross multiply
    9,787.93x = 14,680.20 × 3,214.24
  4. Step 4: Simplify right side
    9,787.93x = 47,185,661.40
  5. Step 5: Solve for x
    x = 47,185,661.40/9,787.93
  6. Step 6: Final answer
    x = 4,820.80

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1.5x scale

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.