Home / 12,474.42-18,711.58-5,077.13

Finding the Fourth Proportional to 12,474.42, 18,711.58 and 5,077.13

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Solution

The fourth proportional to 12,474.42, 18,711.58 and 5,077.13 is: 7,615.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.42 : 18,711.58 = 5,077.13 : x
  2. Step 2: Convert to fraction form
    12,474.42/18,711.58 = 5,077.13/x
  3. Step 3: Cross multiply
    12,474.42x = 18,711.58 × 5,077.13
  4. Step 4: Simplify right side
    12,474.42x = 95,001,077.39
  5. Step 5: Solve for x
    x = 95,001,077.39/12,474.42
  6. Step 6: Final answer
    x = 7,615.67

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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.