Home / 10,639.33-14,680.99-6,162.46

Finding the Fourth Proportional to 10,639.33, 14,680.99 and 6,162.46

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Solution

The fourth proportional to 10,639.33, 14,680.99 and 6,162.46 is: 8,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.33 : 14,680.99 = 6,162.46 : x
  2. Step 2: Convert to fraction form
    10,639.33/14,680.99 = 6,162.46/x
  3. Step 3: Cross multiply
    10,639.33x = 14,680.99 × 6,162.46
  4. Step 4: Simplify right side
    10,639.33x = 90,471,013.64
  5. Step 5: Solve for x
    x = 90,471,013.64/10,639.33
  6. Step 6: Final answer
    x = 8,503.45

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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.