Home / 10,717.69-14,787.87-6,238.75

Finding the Fourth Proportional to 10,717.69, 14,787.87 and 6,238.75

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Solution

The fourth proportional to 10,717.69, 14,787.87 and 6,238.75 is: 8,608.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.69 : 14,787.87 = 6,238.75 : x
  2. Step 2: Convert to fraction form
    10,717.69/14,787.87 = 6,238.75/x
  3. Step 3: Cross multiply
    10,717.69x = 14,787.87 × 6,238.75
  4. Step 4: Simplify right side
    10,717.69x = 92,257,823.96
  5. Step 5: Solve for x
    x = 92,257,823.96/10,717.69
  6. Step 6: Final answer
    x = 8,608.00

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1.5x scale

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.