Home / 9,148.60-12,628.03-5,371.67

Finding the Fourth Proportional to 9,148.60, 12,628.03 and 5,371.67

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Solution

The fourth proportional to 9,148.60, 12,628.03 and 5,371.67 is: 7,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.60 : 12,628.03 = 5,371.67 : x
  2. Step 2: Convert to fraction form
    9,148.60/12,628.03 = 5,371.67/x
  3. Step 3: Cross multiply
    9,148.60x = 12,628.03 × 5,371.67
  4. Step 4: Simplify right side
    9,148.60x = 67,833,551.98
  5. Step 5: Solve for x
    x = 67,833,551.98/9,148.60
  6. Step 6: Final answer
    x = 7,414.64

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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.