Home / 9,280.43-13,920.45-2,260.48

Finding the Fourth Proportional to 9,280.43, 13,920.45 and 2,260.48

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Solution

The fourth proportional to 9,280.43, 13,920.45 and 2,260.48 is: 3,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.43 : 13,920.45 = 2,260.48 : x
  2. Step 2: Convert to fraction form
    9,280.43/13,920.45 = 2,260.48/x
  3. Step 3: Cross multiply
    9,280.43x = 13,920.45 × 2,260.48
  4. Step 4: Simplify right side
    9,280.43x = 31,466,898.82
  5. Step 5: Solve for x
    x = 31,466,898.82/9,280.43
  6. Step 6: Final answer
    x = 3,390.67

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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.