Home / 10,066.56-15,099.84-3,141.12

Finding the Fourth Proportional to 10,066.56, 15,099.84 and 3,141.12

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Solution

The fourth proportional to 10,066.56, 15,099.84 and 3,141.12 is: 4,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.56 : 15,099.84 = 3,141.12 : x
  2. Step 2: Convert to fraction form
    10,066.56/15,099.84 = 3,141.12/x
  3. Step 3: Cross multiply
    10,066.56x = 15,099.84 × 3,141.12
  4. Step 4: Simplify right side
    10,066.56x = 47,430,409.42
  5. Step 5: Solve for x
    x = 47,430,409.42/10,066.56
  6. Step 6: Final answer
    x = 4,711.68

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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.