Home / 9,113.13-12,576.03-5,135.52

Finding the Fourth Proportional to 9,113.13, 12,576.03 and 5,135.52

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Solution

The fourth proportional to 9,113.13, 12,576.03 and 5,135.52 is: 7,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.13 : 12,576.03 = 5,135.52 : x
  2. Step 2: Convert to fraction form
    9,113.13/12,576.03 = 5,135.52/x
  3. Step 3: Cross multiply
    9,113.13x = 12,576.03 × 5,135.52
  4. Step 4: Simplify right side
    9,113.13x = 64,584,453.59
  5. Step 5: Solve for x
    x = 64,584,453.59/9,113.13
  6. Step 6: Final answer
    x = 7,086.97

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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.