Home / 9,113.55-12,576.47-5,080.43

Finding the Fourth Proportional to 9,113.55, 12,576.47 and 5,080.43

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Solution

The fourth proportional to 9,113.55, 12,576.47 and 5,080.43 is: 7,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.55 : 12,576.47 = 5,080.43 : x
  2. Step 2: Convert to fraction form
    9,113.55/12,576.47 = 5,080.43/x
  3. Step 3: Cross multiply
    9,113.55x = 12,576.47 × 5,080.43
  4. Step 4: Simplify right side
    9,113.55x = 63,893,787.20
  5. Step 5: Solve for x
    x = 63,893,787.20/9,113.55
  6. Step 6: Final answer
    x = 7,010.86

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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.