Home / 10,072.96-15,106.70-3,495.56

Finding the Fourth Proportional to 10,072.96, 15,106.70 and 3,495.56

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Solution

The fourth proportional to 10,072.96, 15,106.70 and 3,495.56 is: 5,242.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.96 : 15,106.70 = 3,495.56 : x
  2. Step 2: Convert to fraction form
    10,072.96/15,106.70 = 3,495.56/x
  3. Step 3: Cross multiply
    10,072.96x = 15,106.70 × 3,495.56
  4. Step 4: Simplify right side
    10,072.96x = 52,806,309.46
  5. Step 5: Solve for x
    x = 52,806,309.46/10,072.96
  6. Step 6: Final answer
    x = 5,242.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.