Home / 10,665.05-14,717.84-6,191.46

Finding the Fourth Proportional to 10,665.05, 14,717.84 and 6,191.46

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Solution

The fourth proportional to 10,665.05, 14,717.84 and 6,191.46 is: 8,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.05 : 14,717.84 = 6,191.46 : x
  2. Step 2: Convert to fraction form
    10,665.05/14,717.84 = 6,191.46/x
  3. Step 3: Cross multiply
    10,665.05x = 14,717.84 × 6,191.46
  4. Step 4: Simplify right side
    10,665.05x = 91,124,886.69
  5. Step 5: Solve for x
    x = 91,124,886.69/10,665.05
  6. Step 6: Final answer
    x = 8,544.26

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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.