Home / 9,113.52-12,576.60-5,135.92

Finding the Fourth Proportional to 9,113.52, 12,576.60 and 5,135.92

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Solution

The fourth proportional to 9,113.52, 12,576.60 and 5,135.92 is: 7,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.52 : 12,576.60 = 5,135.92 : x
  2. Step 2: Convert to fraction form
    9,113.52/12,576.60 = 5,135.92/x
  3. Step 3: Cross multiply
    9,113.52x = 12,576.60 × 5,135.92
  4. Step 4: Simplify right side
    9,113.52x = 64,592,380.03
  5. Step 5: Solve for x
    x = 64,592,380.03/9,113.52
  6. Step 6: Final answer
    x = 7,087.53

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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.