Home / 9,113.99-12,576.62-5,336.91

Finding the Fourth Proportional to 9,113.99, 12,576.62 and 5,336.91

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Solution

The fourth proportional to 9,113.99, 12,576.62 and 5,336.91 is: 7,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.99 : 12,576.62 = 5,336.91 : x
  2. Step 2: Convert to fraction form
    9,113.99/12,576.62 = 5,336.91/x
  3. Step 3: Cross multiply
    9,113.99x = 12,576.62 × 5,336.91
  4. Step 4: Simplify right side
    9,113.99x = 67,120,262.36
  5. Step 5: Solve for x
    x = 67,120,262.36/9,113.99
  6. Step 6: Final answer
    x = 7,364.54

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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.