Home / 10,868.63-14,998.71-6,154.43

Finding the Fourth Proportional to 10,868.63, 14,998.71 and 6,154.43

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Solution

The fourth proportional to 10,868.63, 14,998.71 and 6,154.43 is: 8,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.63 : 14,998.71 = 6,154.43 : x
  2. Step 2: Convert to fraction form
    10,868.63/14,998.71 = 6,154.43/x
  3. Step 3: Cross multiply
    10,868.63x = 14,998.71 × 6,154.43
  4. Step 4: Simplify right side
    10,868.63x = 92,308,435.79
  5. Step 5: Solve for x
    x = 92,308,435.79/10,868.63
  6. Step 6: Final answer
    x = 8,493.11

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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.