Home / 10,636.71-14,678.66-5,920.99

Finding the Fourth Proportional to 10,636.71, 14,678.66 and 5,920.99

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Solution

The fourth proportional to 10,636.71, 14,678.66 and 5,920.99 is: 8,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.71 : 14,678.66 = 5,920.99 : x
  2. Step 2: Convert to fraction form
    10,636.71/14,678.66 = 5,920.99/x
  3. Step 3: Cross multiply
    10,636.71x = 14,678.66 × 5,920.99
  4. Step 4: Simplify right side
    10,636.71x = 86,912,199.07
  5. Step 5: Solve for x
    x = 86,912,199.07/10,636.71
  6. Step 6: Final answer
    x = 8,170.97

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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.