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Finding the Fourth Proportional to 10,607.33, 15,833.44 and 9,836.39

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Solution

The fourth proportional to 10,607.33, 15,833.44 and 9,836.39 is: 14,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,607.33 : 15,833.44 = 9,836.39 : x
  2. Step 2: Convert to fraction form
    10,607.33/15,833.44 = 9,836.39/x
  3. Step 3: Cross multiply
    10,607.33x = 15,833.44 × 9,836.39
  4. Step 4: Simplify right side
    10,607.33x = 155,743,811.71
  5. Step 5: Solve for x
    x = 155,743,811.71/10,607.33
  6. Step 6: Final answer
    x = 14,682.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.